Home / 955,003.90-1,432,350.16-280,927.56

Finding the Fourth Proportional to 955,003.90, 1,432,350.16 and 280,927.56

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Solution

The fourth proportional to 955,003.90, 1,432,350.16 and 280,927.56 is: 421,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,003.90 : 1,432,350.16 = 280,927.56 : x
  2. Step 2: Convert to fraction form
    955,003.90/1,432,350.16 = 280,927.56/x
  3. Step 3: Cross multiply
    955,003.90x = 1,432,350.16 × 280,927.56
  4. Step 4: Simplify right side
    955,003.90x = 402,386,635,514.41
  5. Step 5: Solve for x
    x = 402,386,635,514.41/955,003.90
  6. Step 6: Final answer
    x = 421,345.54

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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.