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Finding the Fourth Proportional to 474,280.34, 654,499.73 and 283,256.82

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Solution

The fourth proportional to 474,280.34, 654,499.73 and 283,256.82 is: 390,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,280.34 : 654,499.73 = 283,256.82 : x
  2. Step 2: Convert to fraction form
    474,280.34/654,499.73 = 283,256.82/x
  3. Step 3: Cross multiply
    474,280.34x = 654,499.73 × 283,256.82
  4. Step 4: Simplify right side
    474,280.34x = 185,391,514,361.25
  5. Step 5: Solve for x
    x = 185,391,514,361.25/474,280.34
  6. Step 6: Final answer
    x = 390,890.15

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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.