Home / 682,437.89-1,023,218.90-283,354.13

Finding the Fourth Proportional to 682,437.89, 1,023,218.90 and 283,354.13

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Solution

The fourth proportional to 682,437.89, 1,023,218.90 and 283,354.13 is: 424,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,437.89 : 1,023,218.90 = 283,354.13 : x
  2. Step 2: Convert to fraction form
    682,437.89/1,023,218.90 = 283,354.13/x
  3. Step 3: Cross multiply
    682,437.89x = 1,023,218.90 × 283,354.13
  4. Step 4: Simplify right side
    682,437.89x = 289,933,303,412.91
  5. Step 5: Solve for x
    x = 289,933,303,412.91/682,437.89
  6. Step 6: Final answer
    x = 424,849.36

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Double scale
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Similar ratio
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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.