Home / 748,727.55-1,033,455.99-442,910.25

Finding the Fourth Proportional to 748,727.55, 1,033,455.99 and 442,910.25

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Solution

The fourth proportional to 748,727.55, 1,033,455.99 and 442,910.25 is: 611,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,727.55 : 1,033,455.99 = 442,910.25 : x
  2. Step 2: Convert to fraction form
    748,727.55/1,033,455.99 = 442,910.25/x
  3. Step 3: Cross multiply
    748,727.55x = 1,033,455.99 × 442,910.25
  4. Step 4: Simplify right side
    748,727.55x = 457,728,254,216.72
  5. Step 5: Solve for x
    x = 457,728,254,216.72/748,727.55
  6. Step 6: Final answer
    x = 611,341.54

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Double scale
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Similar ratio
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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.