Home / 760,574.33-1,140,787.21-199,608.83

Finding the Fourth Proportional to 760,574.33, 1,140,787.21 and 199,608.83

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Solution

The fourth proportional to 760,574.33, 1,140,787.21 and 199,608.83 is: 299,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,574.33 : 1,140,787.21 = 199,608.83 : x
  2. Step 2: Convert to fraction form
    760,574.33/1,140,787.21 = 199,608.83/x
  3. Step 3: Cross multiply
    760,574.33x = 1,140,787.21 × 199,608.83
  4. Step 4: Simplify right side
    760,574.33x = 227,711,199,269.02
  5. Step 5: Solve for x
    x = 227,711,199,269.02/760,574.33
  6. Step 6: Final answer
    x = 299,393.75

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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.