Home / 733,760.16-1,012,600.08-427,828.20

Finding the Fourth Proportional to 733,760.16, 1,012,600.08 and 427,828.20

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Solution

The fourth proportional to 733,760.16, 1,012,600.08 and 427,828.20 is: 590,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,760.16 : 1,012,600.08 = 427,828.20 : x
  2. Step 2: Convert to fraction form
    733,760.16/1,012,600.08 = 427,828.20/x
  3. Step 3: Cross multiply
    733,760.16x = 1,012,600.08 × 427,828.20
  4. Step 4: Simplify right side
    733,760.16x = 433,218,869,546.26
  5. Step 5: Solve for x
    x = 433,218,869,546.26/733,760.16
  6. Step 6: Final answer
    x = 590,409.36

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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.