Home / 920,529.38-1,380,332.30-536,402.66

Finding the Fourth Proportional to 920,529.38, 1,380,332.30 and 536,402.66

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Solution

The fourth proportional to 920,529.38, 1,380,332.30 and 536,402.66 is: 804,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,529.38 : 1,380,332.30 = 536,402.66 : x
  2. Step 2: Convert to fraction form
    920,529.38/1,380,332.30 = 536,402.66/x
  3. Step 3: Cross multiply
    920,529.38x = 1,380,332.30 × 536,402.66
  4. Step 4: Simplify right side
    920,529.38x = 740,413,907,820.24
  5. Step 5: Solve for x
    x = 740,413,907,820.24/920,529.38
  6. Step 6: Final answer
    x = 804,334.90

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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.