Home / 683,545.47-943,288.26-377,641.58

Finding the Fourth Proportional to 683,545.47, 943,288.26 and 377,641.58

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Solution

The fourth proportional to 683,545.47, 943,288.26 and 377,641.58 is: 521,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,545.47 : 943,288.26 = 377,641.58 : x
  2. Step 2: Convert to fraction form
    683,545.47/943,288.26 = 377,641.58/x
  3. Step 3: Cross multiply
    683,545.47x = 943,288.26 × 377,641.58
  4. Step 4: Simplify right side
    683,545.47x = 356,224,868,901.85
  5. Step 5: Solve for x
    x = 356,224,868,901.85/683,545.47
  6. Step 6: Final answer
    x = 521,142.90

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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.