Home / 788,320.61-1,087,882.18-425,744.55

Finding the Fourth Proportional to 788,320.61, 1,087,882.18 and 425,744.55

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Solution

The fourth proportional to 788,320.61, 1,087,882.18 and 425,744.55 is: 587,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,320.61 : 1,087,882.18 = 425,744.55 : x
  2. Step 2: Convert to fraction form
    788,320.61/1,087,882.18 = 425,744.55/x
  3. Step 3: Cross multiply
    788,320.61x = 1,087,882.18 × 425,744.55
  4. Step 4: Simplify right side
    788,320.61x = 463,159,908,112.76
  5. Step 5: Solve for x
    x = 463,159,908,112.76/788,320.61
  6. Step 6: Final answer
    x = 587,527.33

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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.