Home / 760,521.56-1,141,903.77-424,219.28

Finding the Fourth Proportional to 760,521.56, 1,141,903.77 and 424,219.28

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Solution

The fourth proportional to 760,521.56, 1,141,903.77 and 424,219.28 is: 636,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,521.56 : 1,141,903.77 = 424,219.28 : x
  2. Step 2: Convert to fraction form
    760,521.56/1,141,903.77 = 424,219.28/x
  3. Step 3: Cross multiply
    760,521.56x = 1,141,903.77 × 424,219.28
  4. Step 4: Simplify right side
    760,521.56x = 484,417,599,584.27
  5. Step 5: Solve for x
    x = 484,417,599,584.27/760,521.56
  6. Step 6: Final answer
    x = 636,954.46

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Double scale
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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.