Home / 739,909.02-1,021,077.12-400,377.24

Finding the Fourth Proportional to 739,909.02, 1,021,077.12 and 400,377.24

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Solution

The fourth proportional to 739,909.02, 1,021,077.12 and 400,377.24 is: 552,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,909.02 : 1,021,077.12 = 400,377.24 : x
  2. Step 2: Convert to fraction form
    739,909.02/1,021,077.12 = 400,377.24/x
  3. Step 3: Cross multiply
    739,909.02x = 1,021,077.12 × 400,377.24
  4. Step 4: Simplify right side
    739,909.02x = 408,816,039,132.75
  5. Step 5: Solve for x
    x = 408,816,039,132.75/739,909.02
  6. Step 6: Final answer
    x = 552,522.04

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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.