Home / 750,145.46-1,034,943.68-427,622.49

Finding the Fourth Proportional to 750,145.46, 1,034,943.68 and 427,622.49

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Solution

The fourth proportional to 750,145.46, 1,034,943.68 and 427,622.49 is: 589,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,145.46 : 1,034,943.68 = 427,622.49 : x
  2. Step 2: Convert to fraction form
    750,145.46/1,034,943.68 = 427,622.49/x
  3. Step 3: Cross multiply
    750,145.46x = 1,034,943.68 × 427,622.49
  4. Step 4: Simplify right side
    750,145.46x = 442,565,194,520.42
  5. Step 5: Solve for x
    x = 442,565,194,520.42/750,145.46
  6. Step 6: Final answer
    x = 589,972.51

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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.