Home / 807,142.74-1,113,864.52-444,567.91

Finding the Fourth Proportional to 807,142.74, 1,113,864.52 and 444,567.91

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Solution

The fourth proportional to 807,142.74, 1,113,864.52 and 444,567.91 is: 613,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,142.74 : 1,113,864.52 = 444,567.91 : x
  2. Step 2: Convert to fraction form
    807,142.74/1,113,864.52 = 444,567.91/x
  3. Step 3: Cross multiply
    807,142.74x = 1,113,864.52 × 444,567.91
  4. Step 4: Simplify right side
    807,142.74x = 495,188,421,679.55
  5. Step 5: Solve for x
    x = 495,188,421,679.55/807,142.74
  6. Step 6: Final answer
    x = 613,507.87

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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.