Home / 753,174.95-1,039,389.62-413,643.20

Finding the Fourth Proportional to 753,174.95, 1,039,389.62 and 413,643.20

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Solution

The fourth proportional to 753,174.95, 1,039,389.62 and 413,643.20 is: 570,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,174.95 : 1,039,389.62 = 413,643.20 : x
  2. Step 2: Convert to fraction form
    753,174.95/1,039,389.62 = 413,643.20/x
  3. Step 3: Cross multiply
    753,174.95x = 1,039,389.62 × 413,643.20
  4. Step 4: Simplify right side
    753,174.95x = 429,936,441,198.42
  5. Step 5: Solve for x
    x = 429,936,441,198.42/753,174.95
  6. Step 6: Final answer
    x = 570,832.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.