Home / 563,734.26-776,910.15-400,398.15

Finding the Fourth Proportional to 563,734.26, 776,910.15 and 400,398.15

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Solution

The fourth proportional to 563,734.26, 776,910.15 and 400,398.15 is: 551,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,734.26 : 776,910.15 = 400,398.15 : x
  2. Step 2: Convert to fraction form
    563,734.26/776,910.15 = 400,398.15/x
  3. Step 3: Cross multiply
    563,734.26x = 776,910.15 × 400,398.15
  4. Step 4: Simplify right side
    563,734.26x = 311,073,386,776.22
  5. Step 5: Solve for x
    x = 311,073,386,776.22/563,734.26
  6. Step 6: Final answer
    x = 551,808.55

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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.