Home / 748,637.92-1,033,142.88-409,111.84

Finding the Fourth Proportional to 748,637.92, 1,033,142.88 and 409,111.84

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Solution

The fourth proportional to 748,637.92, 1,033,142.88 and 409,111.84 is: 564,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,637.92 : 1,033,142.88 = 409,111.84 : x
  2. Step 2: Convert to fraction form
    748,637.92/1,033,142.88 = 409,111.84/x
  3. Step 3: Cross multiply
    748,637.92x = 1,033,142.88 × 409,111.84
  4. Step 4: Simplify right side
    748,637.92x = 422,670,984,619.70
  5. Step 5: Solve for x
    x = 422,670,984,619.70/748,637.92
  6. Step 6: Final answer
    x = 564,586.66

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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.