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Finding the Fourth Proportional to 570,255.13, 854,438.15 and 400,948.26

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Solution

The fourth proportional to 570,255.13, 854,438.15 and 400,948.26 is: 600,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,255.13 : 854,438.15 = 400,948.26 : x
  2. Step 2: Convert to fraction form
    570,255.13/854,438.15 = 400,948.26/x
  3. Step 3: Cross multiply
    570,255.13x = 854,438.15 × 400,948.26
  4. Step 4: Simplify right side
    570,255.13x = 342,585,487,515.38
  5. Step 5: Solve for x
    x = 342,585,487,515.38/570,255.13
  6. Step 6: Final answer
    x = 600,758.28

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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.