Home / 684,010.80-1,026,016.20-432,068.40

Finding the Fourth Proportional to 684,010.80, 1,026,016.20 and 432,068.40

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Solution

The fourth proportional to 684,010.80, 1,026,016.20 and 432,068.40 is: 648,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,010.80 : 1,026,016.20 = 432,068.40 : x
  2. Step 2: Convert to fraction form
    684,010.80/1,026,016.20 = 432,068.40/x
  3. Step 3: Cross multiply
    684,010.80x = 1,026,016.20 × 432,068.40
  4. Step 4: Simplify right side
    684,010.80x = 443,309,177,908.08
  5. Step 5: Solve for x
    x = 443,309,177,908.08/684,010.80
  6. Step 6: Final answer
    x = 648,102.60

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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.