Home / 782,221.16-1,079,465.64-424,525.16

Finding the Fourth Proportional to 782,221.16, 1,079,465.64 and 424,525.16

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Solution

The fourth proportional to 782,221.16, 1,079,465.64 and 424,525.16 is: 585,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,221.16 : 1,079,465.64 = 424,525.16 : x
  2. Step 2: Convert to fraction form
    782,221.16/1,079,465.64 = 424,525.16/x
  3. Step 3: Cross multiply
    782,221.16x = 1,079,465.64 × 424,525.16
  4. Step 4: Simplify right side
    782,221.16x = 458,260,323,535.50
  5. Step 5: Solve for x
    x = 458,260,323,535.50/782,221.16
  6. Step 6: Final answer
    x = 585,844.96

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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.