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Finding the Fourth Proportional to 523,237.04, 722,205.20 and 308,520.16

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Solution

The fourth proportional to 523,237.04, 722,205.20 and 308,520.16 is: 425,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,237.04 : 722,205.20 = 308,520.16 : x
  2. Step 2: Convert to fraction form
    523,237.04/722,205.20 = 308,520.16/x
  3. Step 3: Cross multiply
    523,237.04x = 722,205.20 × 308,520.16
  4. Step 4: Simplify right side
    523,237.04x = 222,814,863,856.83
  5. Step 5: Solve for x
    x = 222,814,863,856.83/523,237.04
  6. Step 6: Final answer
    x = 425,839.24

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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.