Home / 702,153.79-968,966.76-379,862.89

Finding the Fourth Proportional to 702,153.79, 968,966.76 and 379,862.89

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Solution

The fourth proportional to 702,153.79, 968,966.76 and 379,862.89 is: 524,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,153.79 : 968,966.76 = 379,862.89 : x
  2. Step 2: Convert to fraction form
    702,153.79/968,966.76 = 379,862.89/x
  3. Step 3: Cross multiply
    702,153.79x = 968,966.76 × 379,862.89
  4. Step 4: Simplify right side
    702,153.79x = 368,074,513,767.54
  5. Step 5: Solve for x
    x = 368,074,513,767.54/702,153.79
  6. Step 6: Final answer
    x = 524,207.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.