Home / 742,789.67-1,114,598.48-401,226.21

Finding the Fourth Proportional to 742,789.67, 1,114,598.48 and 401,226.21

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Solution

The fourth proportional to 742,789.67, 1,114,598.48 and 401,226.21 is: 602,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,789.67 : 1,114,598.48 = 401,226.21 : x
  2. Step 2: Convert to fraction form
    742,789.67/1,114,598.48 = 401,226.21/x
  3. Step 3: Cross multiply
    742,789.67x = 1,114,598.48 × 401,226.21
  4. Step 4: Simplify right side
    742,789.67x = 447,206,121,796.03
  5. Step 5: Solve for x
    x = 447,206,121,796.03/742,789.67
  6. Step 6: Final answer
    x = 602,062.93

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Double scale
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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.