Home / 761,949.72-1,051,493.49-417,790.98

Finding the Fourth Proportional to 761,949.72, 1,051,493.49 and 417,790.98

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Solution

The fourth proportional to 761,949.72, 1,051,493.49 and 417,790.98 is: 576,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,949.72 : 1,051,493.49 = 417,790.98 : x
  2. Step 2: Convert to fraction form
    761,949.72/1,051,493.49 = 417,790.98/x
  3. Step 3: Cross multiply
    761,949.72x = 1,051,493.49 × 417,790.98
  4. Step 4: Simplify right side
    761,949.72x = 439,304,495,650.72
  5. Step 5: Solve for x
    x = 439,304,495,650.72/761,949.72
  6. Step 6: Final answer
    x = 576,553.13

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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.