Home / 749,275.70-1,033,310.33-491,058.60

Finding the Fourth Proportional to 749,275.70, 1,033,310.33 and 491,058.60

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Solution

The fourth proportional to 749,275.70, 1,033,310.33 and 491,058.60 is: 677,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,275.70 : 1,033,310.33 = 491,058.60 : x
  2. Step 2: Convert to fraction form
    749,275.70/1,033,310.33 = 491,058.60/x
  3. Step 3: Cross multiply
    749,275.70x = 1,033,310.33 × 491,058.60
  4. Step 4: Simplify right side
    749,275.70x = 507,415,921,560.05
  5. Step 5: Solve for x
    x = 507,415,921,560.05/749,275.70
  6. Step 6: Final answer
    x = 677,208.57

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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.