Home / 763,554.60-1,053,221.04-469,075.50

Finding the Fourth Proportional to 763,554.60, 1,053,221.04 and 469,075.50

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Solution

The fourth proportional to 763,554.60, 1,053,221.04 and 469,075.50 is: 647,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,554.60 : 1,053,221.04 = 469,075.50 : x
  2. Step 2: Convert to fraction form
    763,554.60/1,053,221.04 = 469,075.50/x
  3. Step 3: Cross multiply
    763,554.60x = 1,053,221.04 × 469,075.50
  4. Step 4: Simplify right side
    763,554.60x = 494,040,185,948.52
  5. Step 5: Solve for x
    x = 494,040,185,948.52/763,554.60
  6. Step 6: Final answer
    x = 647,026.66

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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.