Home / 838,081.30-1,255,739.55-713,665.30

Finding the Fourth Proportional to 838,081.30, 1,255,739.55 and 713,665.30

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Solution

The fourth proportional to 838,081.30, 1,255,739.55 and 713,665.30 is: 1,069,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,081.30 : 1,255,739.55 = 713,665.30 : x
  2. Step 2: Convert to fraction form
    838,081.30/1,255,739.55 = 713,665.30/x
  3. Step 3: Cross multiply
    838,081.30x = 1,255,739.55 × 713,665.30
  4. Step 4: Simplify right side
    838,081.30x = 896,177,742,672.62
  5. Step 5: Solve for x
    x = 896,177,742,672.62/838,081.30
  6. Step 6: Final answer
    x = 1,069,320.77

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Double scale
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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.