Home / 684,445.20-1,026,842.76-263,608.08

Finding the Fourth Proportional to 684,445.20, 1,026,842.76 and 263,608.08

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Solution

The fourth proportional to 684,445.20, 1,026,842.76 and 263,608.08 is: 395,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,445.20 : 1,026,842.76 = 263,608.08 : x
  2. Step 2: Convert to fraction form
    684,445.20/1,026,842.76 = 263,608.08/x
  3. Step 3: Cross multiply
    684,445.20x = 1,026,842.76 × 263,608.08
  4. Step 4: Simplify right side
    684,445.20x = 270,684,048,425.50
  5. Step 5: Solve for x
    x = 270,684,048,425.50/684,445.20
  6. Step 6: Final answer
    x = 395,479.50

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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.