Home / 731,626.38-1,009,683.63-409,317.21

Finding the Fourth Proportional to 731,626.38, 1,009,683.63 and 409,317.21

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Solution

The fourth proportional to 731,626.38, 1,009,683.63 and 409,317.21 is: 564,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,626.38 : 1,009,683.63 = 409,317.21 : x
  2. Step 2: Convert to fraction form
    731,626.38/1,009,683.63 = 409,317.21/x
  3. Step 3: Cross multiply
    731,626.38x = 1,009,683.63 × 409,317.21
  4. Step 4: Simplify right side
    731,626.38x = 413,280,886,414.27
  5. Step 5: Solve for x
    x = 413,280,886,414.27/731,626.38
  6. Step 6: Final answer
    x = 564,879.70

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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.