Home / 741,143.62-1,022,402.55-468,752.77

Finding the Fourth Proportional to 741,143.62, 1,022,402.55 and 468,752.77

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Solution

The fourth proportional to 741,143.62, 1,022,402.55 and 468,752.77 is: 646,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,143.62 : 1,022,402.55 = 468,752.77 : x
  2. Step 2: Convert to fraction form
    741,143.62/1,022,402.55 = 468,752.77/x
  3. Step 3: Cross multiply
    741,143.62x = 1,022,402.55 × 468,752.77
  4. Step 4: Simplify right side
    741,143.62x = 479,254,027,367.56
  5. Step 5: Solve for x
    x = 479,254,027,367.56/741,143.62
  6. Step 6: Final answer
    x = 646,641.24

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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.