Home / 908,600.76-1,253,877.30-500,717.23

Finding the Fourth Proportional to 908,600.76, 1,253,877.30 and 500,717.23

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Solution

The fourth proportional to 908,600.76, 1,253,877.30 and 500,717.23 is: 690,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,600.76 : 1,253,877.30 = 500,717.23 : x
  2. Step 2: Convert to fraction form
    908,600.76/1,253,877.30 = 500,717.23/x
  3. Step 3: Cross multiply
    908,600.76x = 1,253,877.30 × 500,717.23
  4. Step 4: Simplify right side
    908,600.76x = 627,837,965,281.19
  5. Step 5: Solve for x
    x = 627,837,965,281.19/908,600.76
  6. Step 6: Final answer
    x = 690,994.32

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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.