Home / 907,654.87-1,252,553.38-499,748.19

Finding the Fourth Proportional to 907,654.87, 1,252,553.38 and 499,748.19

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Solution

The fourth proportional to 907,654.87, 1,252,553.38 and 499,748.19 is: 689,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,654.87 : 1,252,553.38 = 499,748.19 : x
  2. Step 2: Convert to fraction form
    907,654.87/1,252,553.38 = 499,748.19/x
  3. Step 3: Cross multiply
    907,654.87x = 1,252,553.38 × 499,748.19
  4. Step 4: Simplify right side
    907,654.87x = 625,961,284,533.38
  5. Step 5: Solve for x
    x = 625,961,284,533.38/907,654.87
  6. Step 6: Final answer
    x = 689,646.81

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1.5x scale

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.