Home / 778,766.41-1,074,471.10-488,617.93

Finding the Fourth Proportional to 778,766.41, 1,074,471.10 and 488,617.93

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Solution

The fourth proportional to 778,766.41, 1,074,471.10 and 488,617.93 is: 674,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,766.41 : 1,074,471.10 = 488,617.93 : x
  2. Step 2: Convert to fraction form
    778,766.41/1,074,471.10 = 488,617.93/x
  3. Step 3: Cross multiply
    778,766.41x = 1,074,471.10 × 488,617.93
  4. Step 4: Simplify right side
    778,766.41x = 525,005,844,726.82
  5. Step 5: Solve for x
    x = 525,005,844,726.82/778,766.41
  6. Step 6: Final answer
    x = 674,150.60

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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.