Home / 921,477.10-1,382,122.23-247,470.84

Finding the Fourth Proportional to 921,477.10, 1,382,122.23 and 247,470.84

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Solution

The fourth proportional to 921,477.10, 1,382,122.23 and 247,470.84 is: 371,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,477.10 : 1,382,122.23 = 247,470.84 : x
  2. Step 2: Convert to fraction form
    921,477.10/1,382,122.23 = 247,470.84/x
  3. Step 3: Cross multiply
    921,477.10x = 1,382,122.23 × 247,470.84
  4. Step 4: Simplify right side
    921,477.10x = 342,034,949,341.97
  5. Step 5: Solve for x
    x = 342,034,949,341.97/921,477.10
  6. Step 6: Final answer
    x = 371,181.17

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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.