Home / 962,143.20-1,443,240.72-429,539.04

Finding the Fourth Proportional to 962,143.20, 1,443,240.72 and 429,539.04

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Solution

The fourth proportional to 962,143.20, 1,443,240.72 and 429,539.04 is: 644,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,143.20 : 1,443,240.72 = 429,539.04 : x
  2. Step 2: Convert to fraction form
    962,143.20/1,443,240.72 = 429,539.04/x
  3. Step 3: Cross multiply
    962,143.20x = 1,443,240.72 × 429,539.04
  4. Step 4: Simplify right side
    962,143.20x = 619,928,233,357.71
  5. Step 5: Solve for x
    x = 619,928,233,357.71/962,143.20
  6. Step 6: Final answer
    x = 644,320.13

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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.