Home / 887,501.30-1,330,377.15-437,854.10

Finding the Fourth Proportional to 887,501.30, 1,330,377.15 and 437,854.10

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Solution

The fourth proportional to 887,501.30, 1,330,377.15 and 437,854.10 is: 656,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,501.30 : 1,330,377.15 = 437,854.10 : x
  2. Step 2: Convert to fraction form
    887,501.30/1,330,377.15 = 437,854.10/x
  3. Step 3: Cross multiply
    887,501.30x = 1,330,377.15 × 437,854.10
  4. Step 4: Simplify right side
    887,501.30x = 582,511,089,673.82
  5. Step 5: Solve for x
    x = 582,511,089,673.82/887,501.30
  6. Step 6: Final answer
    x = 656,349.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.