Home / 958,778.45-1,438,809.19-397,812.95

Finding the Fourth Proportional to 958,778.45, 1,438,809.19 and 397,812.95

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Solution

The fourth proportional to 958,778.45, 1,438,809.19 and 397,812.95 is: 596,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,778.45 : 1,438,809.19 = 397,812.95 : x
  2. Step 2: Convert to fraction form
    958,778.45/1,438,809.19 = 397,812.95/x
  3. Step 3: Cross multiply
    958,778.45x = 1,438,809.19 × 397,812.95
  4. Step 4: Simplify right side
    958,778.45x = 572,376,920,172.43
  5. Step 5: Solve for x
    x = 572,376,920,172.43/958,778.45
  6. Step 6: Final answer
    x = 596,985.59

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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.