Home / 908,433.53-1,253,666.68-521,319.77

Finding the Fourth Proportional to 908,433.53, 1,253,666.68 and 521,319.77

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Solution

The fourth proportional to 908,433.53, 1,253,666.68 and 521,319.77 is: 719,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,433.53 : 1,253,666.68 = 521,319.77 : x
  2. Step 2: Convert to fraction form
    908,433.53/1,253,666.68 = 521,319.77/x
  3. Step 3: Cross multiply
    908,433.53x = 1,253,666.68 × 521,319.77
  4. Step 4: Simplify right side
    908,433.53x = 653,561,225,274.26
  5. Step 5: Solve for x
    x = 653,561,225,274.26/908,433.53
  6. Step 6: Final answer
    x = 719,437.59

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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.