Home / 908,315.36-1,253,572.96-500,458.48

Finding the Fourth Proportional to 908,315.36, 1,253,572.96 and 500,458.48

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Solution

The fourth proportional to 908,315.36, 1,253,572.96 and 500,458.48 is: 690,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,315.36 : 1,253,572.96 = 500,458.48 : x
  2. Step 2: Convert to fraction form
    908,315.36/1,253,572.96 = 500,458.48/x
  3. Step 3: Cross multiply
    908,315.36x = 1,253,572.96 × 500,458.48
  4. Step 4: Simplify right side
    908,315.36x = 627,361,218,130.70
  5. Step 5: Solve for x
    x = 627,361,218,130.70/908,315.36
  6. Step 6: Final answer
    x = 690,686.57

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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.