Home / 722,542.32-997,095.35-400,251.42

Finding the Fourth Proportional to 722,542.32, 997,095.35 and 400,251.42

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Solution

The fourth proportional to 722,542.32, 997,095.35 and 400,251.42 is: 552,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,542.32 : 997,095.35 = 400,251.42 : x
  2. Step 2: Convert to fraction form
    722,542.32/997,095.35 = 400,251.42/x
  3. Step 3: Cross multiply
    722,542.32x = 997,095.35 × 400,251.42
  4. Step 4: Simplify right side
    722,542.32x = 399,088,830,713.53
  5. Step 5: Solve for x
    x = 399,088,830,713.53/722,542.32
  6. Step 6: Final answer
    x = 552,339.73

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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.