Home / 920,025.20-1,380,320.18-471,061.29

Finding the Fourth Proportional to 920,025.20, 1,380,320.18 and 471,061.29

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Solution

The fourth proportional to 920,025.20, 1,380,320.18 and 471,061.29 is: 706,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,025.20 : 1,380,320.18 = 471,061.29 : x
  2. Step 2: Convert to fraction form
    920,025.20/1,380,320.18 = 471,061.29/x
  3. Step 3: Cross multiply
    920,025.20x = 1,380,320.18 × 471,061.29
  4. Step 4: Simplify right side
    920,025.20x = 650,215,402,248.53
  5. Step 5: Solve for x
    x = 650,215,402,248.53/920,025.20
  6. Step 6: Final answer
    x = 706,736.51

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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.