Home / 918,441.60-1,377,098.88-356,820.48

Finding the Fourth Proportional to 918,441.60, 1,377,098.88 and 356,820.48

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Solution

The fourth proportional to 918,441.60, 1,377,098.88 and 356,820.48 is: 535,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,441.60 : 1,377,098.88 = 356,820.48 : x
  2. Step 2: Convert to fraction form
    918,441.60/1,377,098.88 = 356,820.48/x
  3. Step 3: Cross multiply
    918,441.60x = 1,377,098.88 × 356,820.48
  4. Step 4: Simplify right side
    918,441.60x = 491,377,083,369.06
  5. Step 5: Solve for x
    x = 491,377,083,369.06/918,441.60
  6. Step 6: Final answer
    x = 535,011.79

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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.