Home / 760,574.84-1,140,787.95-199,609.34

Finding the Fourth Proportional to 760,574.84, 1,140,787.95 and 199,609.34

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Solution

The fourth proportional to 760,574.84, 1,140,787.95 and 199,609.34 is: 299,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,574.84 : 1,140,787.95 = 199,609.34 : x
  2. Step 2: Convert to fraction form
    760,574.84/1,140,787.95 = 199,609.34/x
  3. Step 3: Cross multiply
    760,574.84x = 1,140,787.95 × 199,609.34
  4. Step 4: Simplify right side
    760,574.84x = 227,711,924,075.51
  5. Step 5: Solve for x
    x = 227,711,924,075.51/760,574.84
  6. Step 6: Final answer
    x = 299,394.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.