Home / 921,460.14-1,382,212.08-247,542.30

Finding the Fourth Proportional to 921,460.14, 1,382,212.08 and 247,542.30

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Solution

The fourth proportional to 921,460.14, 1,382,212.08 and 247,542.30 is: 371,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,460.14 : 1,382,212.08 = 247,542.30 : x
  2. Step 2: Convert to fraction form
    921,460.14/1,382,212.08 = 247,542.30/x
  3. Step 3: Cross multiply
    921,460.14x = 1,382,212.08 × 247,542.30
  4. Step 4: Simplify right side
    921,460.14x = 342,155,957,370.98
  5. Step 5: Solve for x
    x = 342,155,957,370.98/921,460.14
  6. Step 6: Final answer
    x = 371,319.33

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Double scale
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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.