Home / 725,066.78-1,000,564.34-402,797.14

Finding the Fourth Proportional to 725,066.78, 1,000,564.34 and 402,797.14

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Solution

The fourth proportional to 725,066.78, 1,000,564.34 and 402,797.14 is: 555,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,066.78 : 1,000,564.34 = 402,797.14 : x
  2. Step 2: Convert to fraction form
    725,066.78/1,000,564.34 = 402,797.14/x
  3. Step 3: Cross multiply
    725,066.78x = 1,000,564.34 × 402,797.14
  4. Step 4: Simplify right side
    725,066.78x = 403,024,454,537.99
  5. Step 5: Solve for x
    x = 403,024,454,537.99/725,066.78
  6. Step 6: Final answer
    x = 555,844.60

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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.