Home / 688,061.40-1,029,176.10-617,494.20

Finding the Fourth Proportional to 688,061.40, 1,029,176.10 and 617,494.20

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Solution

The fourth proportional to 688,061.40, 1,029,176.10 and 617,494.20 is: 923,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,061.40 : 1,029,176.10 = 617,494.20 : x
  2. Step 2: Convert to fraction form
    688,061.40/1,029,176.10 = 617,494.20/x
  3. Step 3: Cross multiply
    688,061.40x = 1,029,176.10 × 617,494.20
  4. Step 4: Simplify right side
    688,061.40x = 635,510,272,528.62
  5. Step 5: Solve for x
    x = 635,510,272,528.62/688,061.40
  6. Step 6: Final answer
    x = 923,624.36

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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.