Home / 921,559.01-1,382,337.29-247,640.31

Finding the Fourth Proportional to 921,559.01, 1,382,337.29 and 247,640.31

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Solution

The fourth proportional to 921,559.01, 1,382,337.29 and 247,640.31 is: 371,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,559.01 : 1,382,337.29 = 247,640.31 : x
  2. Step 2: Convert to fraction form
    921,559.01/1,382,337.29 = 247,640.31/x
  3. Step 3: Cross multiply
    921,559.01x = 1,382,337.29 × 247,640.31
  4. Step 4: Simplify right side
    921,559.01x = 342,322,435,639.26
  5. Step 5: Solve for x
    x = 342,322,435,639.26/921,559.01
  6. Step 6: Final answer
    x = 371,460.14

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Double scale
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Similar ratio
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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.