Home / 782,856.45-1,080,323.60-460,587.29

Finding the Fourth Proportional to 782,856.45, 1,080,323.60 and 460,587.29

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Solution

The fourth proportional to 782,856.45, 1,080,323.60 and 460,587.29 is: 635,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,856.45 : 1,080,323.60 = 460,587.29 : x
  2. Step 2: Convert to fraction form
    782,856.45/1,080,323.60 = 460,587.29/x
  3. Step 3: Cross multiply
    782,856.45x = 1,080,323.60 × 460,587.29
  4. Step 4: Simplify right side
    782,856.45x = 497,583,311,542.49
  5. Step 5: Solve for x
    x = 497,583,311,542.49/782,856.45
  6. Step 6: Final answer
    x = 635,599.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.