Home / 424,442.75-585,814.20-243,276.11

Finding the Fourth Proportional to 424,442.75, 585,814.20 and 243,276.11

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Solution

The fourth proportional to 424,442.75, 585,814.20 and 243,276.11 is: 335,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,442.75 : 585,814.20 = 243,276.11 : x
  2. Step 2: Convert to fraction form
    424,442.75/585,814.20 = 243,276.11/x
  3. Step 3: Cross multiply
    424,442.75x = 585,814.20 × 243,276.11
  4. Step 4: Simplify right side
    424,442.75x = 142,514,598,294.23
  5. Step 5: Solve for x
    x = 142,514,598,294.23/424,442.75
  6. Step 6: Final answer
    x = 335,768.72

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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.