Home / 763,670.28-1,053,803.16-441,401.16

Finding the Fourth Proportional to 763,670.28, 1,053,803.16 and 441,401.16

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Solution

The fourth proportional to 763,670.28, 1,053,803.16 and 441,401.16 is: 609,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,670.28 : 1,053,803.16 = 441,401.16 : x
  2. Step 2: Convert to fraction form
    763,670.28/1,053,803.16 = 441,401.16/x
  3. Step 3: Cross multiply
    763,670.28x = 1,053,803.16 × 441,401.16
  4. Step 4: Simplify right side
    763,670.28x = 465,149,937,235.67
  5. Step 5: Solve for x
    x = 465,149,937,235.67/763,670.28
  6. Step 6: Final answer
    x = 609,097.87

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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.