Home / 907,366.89-1,252,156.68-499,459.95

Finding the Fourth Proportional to 907,366.89, 1,252,156.68 and 499,459.95

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Solution

The fourth proportional to 907,366.89, 1,252,156.68 and 499,459.95 is: 689,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,366.89 : 1,252,156.68 = 499,459.95 : x
  2. Step 2: Convert to fraction form
    907,366.89/1,252,156.68 = 499,459.95/x
  3. Step 3: Cross multiply
    907,366.89x = 1,252,156.68 × 499,459.95
  4. Step 4: Simplify right side
    907,366.89x = 625,402,112,784.97
  5. Step 5: Solve for x
    x = 625,402,112,784.97/907,366.89
  6. Step 6: Final answer
    x = 689,249.43

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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.