Home / 555,586.20-766,834.76-314,008.90

Finding the Fourth Proportional to 555,586.20, 766,834.76 and 314,008.90

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Solution

The fourth proportional to 555,586.20, 766,834.76 and 314,008.90 is: 433,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,586.20 : 766,834.76 = 314,008.90 : x
  2. Step 2: Convert to fraction form
    555,586.20/766,834.76 = 314,008.90/x
  3. Step 3: Cross multiply
    555,586.20x = 766,834.76 × 314,008.90
  4. Step 4: Simplify right side
    555,586.20x = 240,792,939,469.36
  5. Step 5: Solve for x
    x = 240,792,939,469.36/555,586.20
  6. Step 6: Final answer
    x = 433,403.38

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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.