Home / 887,499.12-1,224,749.40-485,091.12

Finding the Fourth Proportional to 887,499.12, 1,224,749.40 and 485,091.12

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Solution

The fourth proportional to 887,499.12, 1,224,749.40 and 485,091.12 is: 669,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,499.12 : 1,224,749.40 = 485,091.12 : x
  2. Step 2: Convert to fraction form
    887,499.12/1,224,749.40 = 485,091.12/x
  3. Step 3: Cross multiply
    887,499.12x = 1,224,749.40 × 485,091.12
  4. Step 4: Simplify right side
    887,499.12x = 594,115,058,165.33
  5. Step 5: Solve for x
    x = 594,115,058,165.33/887,499.12
  6. Step 6: Final answer
    x = 669,426.08

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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.