Home / 704,887.61-1,057,162.12-325,443.77

Finding the Fourth Proportional to 704,887.61, 1,057,162.12 and 325,443.77

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Solution

The fourth proportional to 704,887.61, 1,057,162.12 and 325,443.77 is: 488,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,887.61 : 1,057,162.12 = 325,443.77 : x
  2. Step 2: Convert to fraction form
    704,887.61/1,057,162.12 = 325,443.77/x
  3. Step 3: Cross multiply
    704,887.61x = 1,057,162.12 × 325,443.77
  4. Step 4: Simplify right side
    704,887.61x = 344,046,824,206.77
  5. Step 5: Solve for x
    x = 344,046,824,206.77/704,887.61
  6. Step 6: Final answer
    x = 488,087.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.