Home / 770,215.38-1,062,946.26-430,683.54

Finding the Fourth Proportional to 770,215.38, 1,062,946.26 and 430,683.54

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Solution

The fourth proportional to 770,215.38, 1,062,946.26 and 430,683.54 is: 594,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,215.38 : 1,062,946.26 = 430,683.54 : x
  2. Step 2: Convert to fraction form
    770,215.38/1,062,946.26 = 430,683.54/x
  3. Step 3: Cross multiply
    770,215.38x = 1,062,946.26 × 430,683.54
  4. Step 4: Simplify right side
    770,215.38x = 457,793,458,086.56
  5. Step 5: Solve for x
    x = 457,793,458,086.56/770,215.38
  6. Step 6: Final answer
    x = 594,370.70

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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.