Home / 803,726.61-1,109,142.30-454,860.69

Finding the Fourth Proportional to 803,726.61, 1,109,142.30 and 454,860.69

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Solution

The fourth proportional to 803,726.61, 1,109,142.30 and 454,860.69 is: 627,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,726.61 : 1,109,142.30 = 454,860.69 : x
  2. Step 2: Convert to fraction form
    803,726.61/1,109,142.30 = 454,860.69/x
  3. Step 3: Cross multiply
    803,726.61x = 1,109,142.30 × 454,860.69
  4. Step 4: Simplify right side
    803,726.61x = 504,505,224,066.17
  5. Step 5: Solve for x
    x = 504,505,224,066.17/803,726.61
  6. Step 6: Final answer
    x = 627,707.50

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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.