Home / 742,662.96-1,024,874.01-403,131.21

Finding the Fourth Proportional to 742,662.96, 1,024,874.01 and 403,131.21

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Solution

The fourth proportional to 742,662.96, 1,024,874.01 and 403,131.21 is: 556,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,662.96 : 1,024,874.01 = 403,131.21 : x
  2. Step 2: Convert to fraction form
    742,662.96/1,024,874.01 = 403,131.21/x
  3. Step 3: Cross multiply
    742,662.96x = 1,024,874.01 × 403,131.21
  4. Step 4: Simplify right side
    742,662.96x = 413,158,699,748.85
  5. Step 5: Solve for x
    x = 413,158,699,748.85/742,662.96
  6. Step 6: Final answer
    x = 556,320.59

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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.