Home / 881,312.26-1,216,228.89-478,930.18

Finding the Fourth Proportional to 881,312.26, 1,216,228.89 and 478,930.18

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Solution

The fourth proportional to 881,312.26, 1,216,228.89 and 478,930.18 is: 660,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,312.26 : 1,216,228.89 = 478,930.18 : x
  2. Step 2: Convert to fraction form
    881,312.26/1,216,228.89 = 478,930.18/x
  3. Step 3: Cross multiply
    881,312.26x = 1,216,228.89 × 478,930.18
  4. Step 4: Simplify right side
    881,312.26x = 582,488,721,208.90
  5. Step 5: Solve for x
    x = 582,488,721,208.90/881,312.26
  6. Step 6: Final answer
    x = 660,933.41

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1.5x scale

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.