Home / 687,497.80-1,032,024.30-371,792.20

Finding the Fourth Proportional to 687,497.80, 1,032,024.30 and 371,792.20

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Solution

The fourth proportional to 687,497.80, 1,032,024.30 and 371,792.20 is: 558,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,497.80 : 1,032,024.30 = 371,792.20 : x
  2. Step 2: Convert to fraction form
    687,497.80/1,032,024.30 = 371,792.20/x
  3. Step 3: Cross multiply
    687,497.80x = 1,032,024.30 × 371,792.20
  4. Step 4: Simplify right side
    687,497.80x = 383,698,584,950.46
  5. Step 5: Solve for x
    x = 383,698,584,950.46/687,497.80
  6. Step 6: Final answer
    x = 558,108.82

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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.