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Finding the Fourth Proportional to 539,451.66, 744,467.58 and 310,083.42

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Solution

The fourth proportional to 539,451.66, 744,467.58 and 310,083.42 is: 427,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,451.66 : 744,467.58 = 310,083.42 : x
  2. Step 2: Convert to fraction form
    539,451.66/744,467.58 = 310,083.42/x
  3. Step 3: Cross multiply
    539,451.66x = 744,467.58 × 310,083.42
  4. Step 4: Simplify right side
    539,451.66x = 230,847,053,285.52
  5. Step 5: Solve for x
    x = 230,847,053,285.52/539,451.66
  6. Step 6: Final answer
    x = 427,929.08

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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.