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Finding the Fourth Proportional to 570,255.94, 854,439.36 and 400,949.08

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Solution

The fourth proportional to 570,255.94, 854,439.36 and 400,949.08 is: 600,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,255.94 : 854,439.36 = 400,949.08 : x
  2. Step 2: Convert to fraction form
    570,255.94/854,439.36 = 400,949.08/x
  3. Step 3: Cross multiply
    570,255.94x = 854,439.36 × 400,949.08
  4. Step 4: Simplify right side
    570,255.94x = 342,586,675,307.79
  5. Step 5: Solve for x
    x = 342,586,675,307.79/570,255.94
  6. Step 6: Final answer
    x = 600,759.50

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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.