Home / 763,073.24-1,053,054.30-418,941.20

Finding the Fourth Proportional to 763,073.24, 1,053,054.30 and 418,941.20

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Solution

The fourth proportional to 763,073.24, 1,053,054.30 and 418,941.20 is: 578,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,073.24 : 1,053,054.30 = 418,941.20 : x
  2. Step 2: Convert to fraction form
    763,073.24/1,053,054.30 = 418,941.20/x
  3. Step 3: Cross multiply
    763,073.24x = 1,053,054.30 × 418,941.20
  4. Step 4: Simplify right side
    763,073.24x = 441,167,826,841.89
  5. Step 5: Solve for x
    x = 441,167,826,841.89/763,073.24
  6. Step 6: Final answer
    x = 578,146.12

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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.