Home / 589,291.20-884,001.60-215,395.20

Finding the Fourth Proportional to 589,291.20, 884,001.60 and 215,395.20

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Solution

The fourth proportional to 589,291.20, 884,001.60 and 215,395.20 is: 323,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,291.20 : 884,001.60 = 215,395.20 : x
  2. Step 2: Convert to fraction form
    589,291.20/884,001.60 = 215,395.20/x
  3. Step 3: Cross multiply
    589,291.20x = 884,001.60 × 215,395.20
  4. Step 4: Simplify right side
    589,291.20x = 190,409,701,432.32
  5. Step 5: Solve for x
    x = 190,409,701,432.32/589,291.20
  6. Step 6: Final answer
    x = 323,116.49

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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.