Home / 788,496.93-1,088,126.21-425,920.76

Finding the Fourth Proportional to 788,496.93, 1,088,126.21 and 425,920.76

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Solution

The fourth proportional to 788,496.93, 1,088,126.21 and 425,920.76 is: 587,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,496.93 : 1,088,126.21 = 425,920.76 : x
  2. Step 2: Convert to fraction form
    788,496.93/1,088,126.21 = 425,920.76/x
  3. Step 3: Cross multiply
    788,496.93x = 1,088,126.21 × 425,920.76
  4. Step 4: Simplify right side
    788,496.93x = 463,455,536,587.60
  5. Step 5: Solve for x
    x = 463,455,536,587.60/788,496.93
  6. Step 6: Final answer
    x = 587,770.88

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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.