Home / 742,189.06-1,024,317.34-415,626.40

Finding the Fourth Proportional to 742,189.06, 1,024,317.34 and 415,626.40

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Solution

The fourth proportional to 742,189.06, 1,024,317.34 and 415,626.40 is: 573,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,189.06 : 1,024,317.34 = 415,626.40 : x
  2. Step 2: Convert to fraction form
    742,189.06/1,024,317.34 = 415,626.40/x
  3. Step 3: Cross multiply
    742,189.06x = 1,024,317.34 × 415,626.40
  4. Step 4: Simplify right side
    742,189.06x = 425,733,328,481.78
  5. Step 5: Solve for x
    x = 425,733,328,481.78/742,189.06
  6. Step 6: Final answer
    x = 573,618.44

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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.