Home / 748,911.32-1,033,497.61-409,379.57

Finding the Fourth Proportional to 748,911.32, 1,033,497.61 and 409,379.57

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Solution

The fourth proportional to 748,911.32, 1,033,497.61 and 409,379.57 is: 564,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,911.32 : 1,033,497.61 = 409,379.57 : x
  2. Step 2: Convert to fraction form
    748,911.32/1,033,497.61 = 409,379.57/x
  3. Step 3: Cross multiply
    748,911.32x = 1,033,497.61 × 409,379.57
  4. Step 4: Simplify right side
    748,911.32x = 423,092,802,010.34
  5. Step 5: Solve for x
    x = 423,092,802,010.34/748,911.32
  6. Step 6: Final answer
    x = 564,943.80

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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.