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Finding the Fourth Proportional to 614,219.32, 847,587.62 and 338,522.42

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Solution

The fourth proportional to 614,219.32, 847,587.62 and 338,522.42 is: 467,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,219.32 : 847,587.62 = 338,522.42 : x
  2. Step 2: Convert to fraction form
    614,219.32/847,587.62 = 338,522.42/x
  3. Step 3: Cross multiply
    614,219.32x = 847,587.62 × 338,522.42
  4. Step 4: Simplify right side
    614,219.32x = 286,927,412,284.44
  5. Step 5: Solve for x
    x = 286,927,412,284.44/614,219.32
  6. Step 6: Final answer
    x = 467,141.63

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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.