Home / 821,769.29-1,134,154.24-472,902.52

Finding the Fourth Proportional to 821,769.29, 1,134,154.24 and 472,902.52

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Solution

The fourth proportional to 821,769.29, 1,134,154.24 and 472,902.52 is: 652,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,769.29 : 1,134,154.24 = 472,902.52 : x
  2. Step 2: Convert to fraction form
    821,769.29/1,134,154.24 = 472,902.52/x
  3. Step 3: Cross multiply
    821,769.29x = 1,134,154.24 × 472,902.52
  4. Step 4: Simplify right side
    821,769.29x = 536,344,393,483.90
  5. Step 5: Solve for x
    x = 536,344,393,483.90/821,769.29
  6. Step 6: Final answer
    x = 652,670.28

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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.