Home / 790,484.76-1,185,723.12-191,445.90

Finding the Fourth Proportional to 790,484.76, 1,185,723.12 and 191,445.90

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Solution

The fourth proportional to 790,484.76, 1,185,723.12 and 191,445.90 is: 287,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,484.76 : 1,185,723.12 = 191,445.90 : x
  2. Step 2: Convert to fraction form
    790,484.76/1,185,723.12 = 191,445.90/x
  3. Step 3: Cross multiply
    790,484.76x = 1,185,723.12 × 191,445.90
  4. Step 4: Simplify right side
    790,484.76x = 227,001,829,859.21
  5. Step 5: Solve for x
    x = 227,001,829,859.21/790,484.76
  6. Step 6: Final answer
    x = 287,167.88

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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.