Home / 891,736.12-1,337,876.34-284,508.28

Finding the Fourth Proportional to 891,736.12, 1,337,876.34 and 284,508.28

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Solution

The fourth proportional to 891,736.12, 1,337,876.34 and 284,508.28 is: 426,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,736.12 : 1,337,876.34 = 284,508.28 : x
  2. Step 2: Convert to fraction form
    891,736.12/1,337,876.34 = 284,508.28/x
  3. Step 3: Cross multiply
    891,736.12x = 1,337,876.34 × 284,508.28
  4. Step 4: Simplify right side
    891,736.12x = 380,636,896,346.10
  5. Step 5: Solve for x
    x = 380,636,896,346.10/891,736.12
  6. Step 6: Final answer
    x = 426,849.25

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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.