Home / 908,432.72-1,361,857.08-375,621.20

Finding the Fourth Proportional to 908,432.72, 1,361,857.08 and 375,621.20

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Solution

The fourth proportional to 908,432.72, 1,361,857.08 and 375,621.20 is: 563,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,432.72 : 1,361,857.08 = 375,621.20 : x
  2. Step 2: Convert to fraction form
    908,432.72/1,361,857.08 = 375,621.20/x
  3. Step 3: Cross multiply
    908,432.72x = 1,361,857.08 × 375,621.20
  4. Step 4: Simplify right side
    908,432.72x = 511,542,390,618.10
  5. Step 5: Solve for x
    x = 511,542,390,618.10/908,432.72
  6. Step 6: Final answer
    x = 563,104.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.