Home / 992,352.87-1,487,150.28-518,092.20

Finding the Fourth Proportional to 992,352.87, 1,487,150.28 and 518,092.20

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Solution

The fourth proportional to 992,352.87, 1,487,150.28 and 518,092.20 is: 776,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,352.87 : 1,487,150.28 = 518,092.20 : x
  2. Step 2: Convert to fraction form
    992,352.87/1,487,150.28 = 518,092.20/x
  3. Step 3: Cross multiply
    992,352.87x = 1,487,150.28 × 518,092.20
  4. Step 4: Simplify right side
    992,352.87x = 770,480,960,295.82
  5. Step 5: Solve for x
    x = 770,480,960,295.82/992,352.87
  6. Step 6: Final answer
    x = 776,418.33

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1.5x scale

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.