Home / 929,754.16-1,393,312.83-389,428.18

Finding the Fourth Proportional to 929,754.16, 1,393,312.83 and 389,428.18

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Solution

The fourth proportional to 929,754.16, 1,393,312.83 and 389,428.18 is: 583,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,754.16 : 1,393,312.83 = 389,428.18 : x
  2. Step 2: Convert to fraction form
    929,754.16/1,393,312.83 = 389,428.18/x
  3. Step 3: Cross multiply
    929,754.16x = 1,393,312.83 × 389,428.18
  4. Step 4: Simplify right side
    929,754.16x = 542,595,279,557.55
  5. Step 5: Solve for x
    x = 542,595,279,557.55/929,754.16
  6. Step 6: Final answer
    x = 583,590.05

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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.