Home / 688,740.03-1,033,216.56-351,597.78

Finding the Fourth Proportional to 688,740.03, 1,033,216.56 and 351,597.78

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Solution

The fourth proportional to 688,740.03, 1,033,216.56 and 351,597.78 is: 527,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,740.03 : 1,033,216.56 = 351,597.78 : x
  2. Step 2: Convert to fraction form
    688,740.03/1,033,216.56 = 351,597.78/x
  3. Step 3: Cross multiply
    688,740.03x = 1,033,216.56 × 351,597.78
  4. Step 4: Simplify right side
    688,740.03x = 363,276,648,755.24
  5. Step 5: Solve for x
    x = 363,276,648,755.24/688,740.03
  6. Step 6: Final answer
    x = 527,451.05

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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.