Home / 646,999.20-970,498.80-173,732.40

Finding the Fourth Proportional to 646,999.20, 970,498.80 and 173,732.40

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Solution

The fourth proportional to 646,999.20, 970,498.80 and 173,732.40 is: 260,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,999.20 : 970,498.80 = 173,732.40 : x
  2. Step 2: Convert to fraction form
    646,999.20/970,498.80 = 173,732.40/x
  3. Step 3: Cross multiply
    646,999.20x = 970,498.80 × 173,732.40
  4. Step 4: Simplify right side
    646,999.20x = 168,607,085,721.12
  5. Step 5: Solve for x
    x = 168,607,085,721.12/646,999.20
  6. Step 6: Final answer
    x = 260,598.60

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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.