Home / 748,839.22-1,033,398.64-409,307.46

Finding the Fourth Proportional to 748,839.22, 1,033,398.64 and 409,307.46

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Solution

The fourth proportional to 748,839.22, 1,033,398.64 and 409,307.46 is: 564,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,839.22 : 1,033,398.64 = 409,307.46 : x
  2. Step 2: Convert to fraction form
    748,839.22/1,033,398.64 = 409,307.46/x
  3. Step 3: Cross multiply
    748,839.22x = 1,033,398.64 × 409,307.46
  4. Step 4: Simplify right side
    748,839.22x = 422,977,772,505.85
  5. Step 5: Solve for x
    x = 422,977,772,505.85/748,839.22
  6. Step 6: Final answer
    x = 564,844.58

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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.