Home / 755,068.50-1,041,759.90-428,327.73

Finding the Fourth Proportional to 755,068.50, 1,041,759.90 and 428,327.73

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Solution

The fourth proportional to 755,068.50, 1,041,759.90 and 428,327.73 is: 590,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,068.50 : 1,041,759.90 = 428,327.73 : x
  2. Step 2: Convert to fraction form
    755,068.50/1,041,759.90 = 428,327.73/x
  3. Step 3: Cross multiply
    755,068.50x = 1,041,759.90 × 428,327.73
  4. Step 4: Simplify right side
    755,068.50x = 446,214,653,172.03
  5. Step 5: Solve for x
    x = 446,214,653,172.03/755,068.50
  6. Step 6: Final answer
    x = 590,959.17

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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.