Home / 921,490.66-1,382,352.87-360,452.26

Finding the Fourth Proportional to 921,490.66, 1,382,352.87 and 360,452.26

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Solution

The fourth proportional to 921,490.66, 1,382,352.87 and 360,452.26 is: 540,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,490.66 : 1,382,352.87 = 360,452.26 : x
  2. Step 2: Convert to fraction form
    921,490.66/1,382,352.87 = 360,452.26/x
  3. Step 3: Cross multiply
    921,490.66x = 1,382,352.87 × 360,452.26
  4. Step 4: Simplify right side
    921,490.66x = 498,272,216,108.99
  5. Step 5: Solve for x
    x = 498,272,216,108.99/921,490.66
  6. Step 6: Final answer
    x = 540,724.11

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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.