Home / 718,440.38-1,077,660.56-292,208.10

Finding the Fourth Proportional to 718,440.38, 1,077,660.56 and 292,208.10

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Solution

The fourth proportional to 718,440.38, 1,077,660.56 and 292,208.10 is: 438,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,440.38 : 1,077,660.56 = 292,208.10 : x
  2. Step 2: Convert to fraction form
    718,440.38/1,077,660.56 = 292,208.10/x
  3. Step 3: Cross multiply
    718,440.38x = 1,077,660.56 × 292,208.10
  4. Step 4: Simplify right side
    718,440.38x = 314,901,145,413.06
  5. Step 5: Solve for x
    x = 314,901,145,413.06/718,440.38
  6. Step 6: Final answer
    x = 438,312.15

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Double scale
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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.