Home / 763,320.50-1,053,341.17-423,766.88

Finding the Fourth Proportional to 763,320.50, 1,053,341.17 and 423,766.88

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Solution

The fourth proportional to 763,320.50, 1,053,341.17 and 423,766.88 is: 584,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,320.50 : 1,053,341.17 = 423,766.88 : x
  2. Step 2: Convert to fraction form
    763,320.50/1,053,341.17 = 423,766.88/x
  3. Step 3: Cross multiply
    763,320.50x = 1,053,341.17 × 423,766.88
  4. Step 4: Simplify right side
    763,320.50x = 446,371,094,860.33
  5. Step 5: Solve for x
    x = 446,371,094,860.33/763,320.50
  6. Step 6: Final answer
    x = 584,775.46

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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.