Home / 908,724.30-1,363,086.45-435,165.90

Finding the Fourth Proportional to 908,724.30, 1,363,086.45 and 435,165.90

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Solution

The fourth proportional to 908,724.30, 1,363,086.45 and 435,165.90 is: 652,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,724.30 : 1,363,086.45 = 435,165.90 : x
  2. Step 2: Convert to fraction form
    908,724.30/1,363,086.45 = 435,165.90/x
  3. Step 3: Cross multiply
    908,724.30x = 1,363,086.45 × 435,165.90
  4. Step 4: Simplify right side
    908,724.30x = 593,168,741,792.06
  5. Step 5: Solve for x
    x = 593,168,741,792.06/908,724.30
  6. Step 6: Final answer
    x = 652,748.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.