Home / 750,074.55-1,035,149.62-423,442.85

Finding the Fourth Proportional to 750,074.55, 1,035,149.62 and 423,442.85

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Solution

The fourth proportional to 750,074.55, 1,035,149.62 and 423,442.85 is: 584,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,074.55 : 1,035,149.62 = 423,442.85 : x
  2. Step 2: Convert to fraction form
    750,074.55/1,035,149.62 = 423,442.85/x
  3. Step 3: Cross multiply
    750,074.55x = 1,035,149.62 × 423,442.85
  4. Step 4: Simplify right side
    750,074.55x = 438,326,707,868.02
  5. Step 5: Solve for x
    x = 438,326,707,868.02/750,074.55
  6. Step 6: Final answer
    x = 584,377.53

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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.