Home / 760,522.97-1,141,905.89-424,220.69

Finding the Fourth Proportional to 760,522.97, 1,141,905.89 and 424,220.69

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Solution

The fourth proportional to 760,522.97, 1,141,905.89 and 424,220.69 is: 636,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,522.97 : 1,141,905.89 = 424,220.69 : x
  2. Step 2: Convert to fraction form
    760,522.97/1,141,905.89 = 424,220.69/x
  3. Step 3: Cross multiply
    760,522.97x = 1,141,905.89 × 424,220.69
  4. Step 4: Simplify right side
    760,522.97x = 484,420,105,304.53
  5. Step 5: Solve for x
    x = 484,420,105,304.53/760,522.97
  6. Step 6: Final answer
    x = 636,956.57

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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.