Home / 629,019.12-943,123.68-458,303.52

Finding the Fourth Proportional to 629,019.12, 943,123.68 and 458,303.52

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Solution

The fourth proportional to 629,019.12, 943,123.68 and 458,303.52 is: 687,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,019.12 : 943,123.68 = 458,303.52 : x
  2. Step 2: Convert to fraction form
    629,019.12/943,123.68 = 458,303.52/x
  3. Step 3: Cross multiply
    629,019.12x = 943,123.68 × 458,303.52
  4. Step 4: Simplify right side
    629,019.12x = 432,236,902,339.35
  5. Step 5: Solve for x
    x = 432,236,902,339.35/629,019.12
  6. Step 6: Final answer
    x = 687,160.20

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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.