Home / 749,288.80-1,123,933.20-510,140.35

Finding the Fourth Proportional to 749,288.80, 1,123,933.20 and 510,140.35

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Solution

The fourth proportional to 749,288.80, 1,123,933.20 and 510,140.35 is: 765,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,288.80 : 1,123,933.20 = 510,140.35 : x
  2. Step 2: Convert to fraction form
    749,288.80/1,123,933.20 = 510,140.35/x
  3. Step 3: Cross multiply
    749,288.80x = 1,123,933.20 × 510,140.35
  4. Step 4: Simplify right side
    749,288.80x = 573,363,676,024.62
  5. Step 5: Solve for x
    x = 573,363,676,024.62/749,288.80
  6. Step 6: Final answer
    x = 765,210.53

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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.