Home / 810,127.77-1,215,041.29-297,680.86

Finding the Fourth Proportional to 810,127.77, 1,215,041.29 and 297,680.86

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Solution

The fourth proportional to 810,127.77, 1,215,041.29 and 297,680.86 is: 446,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,127.77 : 1,215,041.29 = 297,680.86 : x
  2. Step 2: Convert to fraction form
    810,127.77/1,215,041.29 = 297,680.86/x
  3. Step 3: Cross multiply
    810,127.77x = 1,215,041.29 × 297,680.86
  4. Step 4: Simplify right side
    810,127.77x = 361,694,536,142.71
  5. Step 5: Solve for x
    x = 361,694,536,142.71/810,127.77
  6. Step 6: Final answer
    x = 446,466.04

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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.