Home / 508,846.17-766,926.75-438,616.44

Finding the Fourth Proportional to 508,846.17, 766,926.75 and 438,616.44

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Solution

The fourth proportional to 508,846.17, 766,926.75 and 438,616.44 is: 661,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,846.17 : 766,926.75 = 438,616.44 : x
  2. Step 2: Convert to fraction form
    508,846.17/766,926.75 = 438,616.44/x
  3. Step 3: Cross multiply
    508,846.17x = 766,926.75 × 438,616.44
  4. Step 4: Simplify right side
    508,846.17x = 336,386,680,825.77
  5. Step 5: Solve for x
    x = 336,386,680,825.77/508,846.17
  6. Step 6: Final answer
    x = 661,077.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.