Home / 652,543.03-900,505.42-380,589.58

Finding the Fourth Proportional to 652,543.03, 900,505.42 and 380,589.58

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Solution

The fourth proportional to 652,543.03, 900,505.42 and 380,589.58 is: 525,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,543.03 : 900,505.42 = 380,589.58 : x
  2. Step 2: Convert to fraction form
    652,543.03/900,505.42 = 380,589.58/x
  3. Step 3: Cross multiply
    652,543.03x = 900,505.42 × 380,589.58
  4. Step 4: Simplify right side
    652,543.03x = 342,722,979,585.52
  5. Step 5: Solve for x
    x = 342,722,979,585.52/652,543.03
  6. Step 6: Final answer
    x = 525,211.31

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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.