Home / 788,497.25-1,088,126.03-425,921.12

Finding the Fourth Proportional to 788,497.25, 1,088,126.03 and 425,921.12

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Solution

The fourth proportional to 788,497.25, 1,088,126.03 and 425,921.12 is: 587,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,497.25 : 1,088,126.03 = 425,921.12 : x
  2. Step 2: Convert to fraction form
    788,497.25/1,088,126.03 = 425,921.12/x
  3. Step 3: Cross multiply
    788,497.25x = 1,088,126.03 × 425,921.12
  4. Step 4: Simplify right side
    788,497.25x = 463,455,855,269.15
  5. Step 5: Solve for x
    x = 463,455,855,269.15/788,497.25
  6. Step 6: Final answer
    x = 587,771.05

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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.