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Finding the Fourth Proportional to 570,255.77, 854,439.12 and 400,948.92

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Solution

The fourth proportional to 570,255.77, 854,439.12 and 400,948.92 is: 600,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,255.77 : 854,439.12 = 400,948.92 : x
  2. Step 2: Convert to fraction form
    570,255.77/854,439.12 = 400,948.92/x
  3. Step 3: Cross multiply
    570,255.77x = 854,439.12 × 400,948.92
  4. Step 4: Simplify right side
    570,255.77x = 342,586,442,369.75
  5. Step 5: Solve for x
    x = 342,586,442,369.75/570,255.77
  6. Step 6: Final answer
    x = 600,759.27

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1.5x scale

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.