Home / 908,139.25-1,253,352.45-586,783.90

Finding the Fourth Proportional to 908,139.25, 1,253,352.45 and 586,783.90

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Solution

The fourth proportional to 908,139.25, 1,253,352.45 and 586,783.90 is: 809,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,139.25 : 1,253,352.45 = 586,783.90 : x
  2. Step 2: Convert to fraction form
    908,139.25/1,253,352.45 = 586,783.90/x
  3. Step 3: Cross multiply
    908,139.25x = 1,253,352.45 × 586,783.90
  4. Step 4: Simplify right side
    908,139.25x = 735,447,038,685.56
  5. Step 5: Solve for x
    x = 735,447,038,685.56/908,139.25
  6. Step 6: Final answer
    x = 809,839.50

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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.