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Finding the Fourth Proportional to 498,256.52, 687,595.38 and 297,048.20

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Solution

The fourth proportional to 498,256.52, 687,595.38 and 297,048.20 is: 409,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,256.52 : 687,595.38 = 297,048.20 : x
  2. Step 2: Convert to fraction form
    498,256.52/687,595.38 = 297,048.20/x
  3. Step 3: Cross multiply
    498,256.52x = 687,595.38 × 297,048.20
  4. Step 4: Simplify right side
    498,256.52x = 204,248,969,957.32
  5. Step 5: Solve for x
    x = 204,248,969,957.32/498,256.52
  6. Step 6: Final answer
    x = 409,927.34

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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.