Home / 785,748.43-1,084,340.42-446,219.11

Finding the Fourth Proportional to 785,748.43, 1,084,340.42 and 446,219.11

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Solution

The fourth proportional to 785,748.43, 1,084,340.42 and 446,219.11 is: 615,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,748.43 : 1,084,340.42 = 446,219.11 : x
  2. Step 2: Convert to fraction form
    785,748.43/1,084,340.42 = 446,219.11/x
  3. Step 3: Cross multiply
    785,748.43x = 1,084,340.42 × 446,219.11
  4. Step 4: Simplify right side
    785,748.43x = 483,853,417,149.43
  5. Step 5: Solve for x
    x = 483,853,417,149.43/785,748.43
  6. Step 6: Final answer
    x = 615,786.68

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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.