Home / 665,891.28-1,001,002.14-534,212.10

Finding the Fourth Proportional to 665,891.28, 1,001,002.14 and 534,212.10

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Solution

The fourth proportional to 665,891.28, 1,001,002.14 and 534,212.10 is: 803,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,891.28 : 1,001,002.14 = 534,212.10 : x
  2. Step 2: Convert to fraction form
    665,891.28/1,001,002.14 = 534,212.10/x
  3. Step 3: Cross multiply
    665,891.28x = 1,001,002.14 × 534,212.10
  4. Step 4: Simplify right side
    665,891.28x = 534,747,455,313.89
  5. Step 5: Solve for x
    x = 534,747,455,313.89/665,891.28
  6. Step 6: Final answer
    x = 803,055.20

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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.