Home / 755,020.98-1,132,525.35-355,443.75

Finding the Fourth Proportional to 755,020.98, 1,132,525.35 and 355,443.75

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Solution

The fourth proportional to 755,020.98, 1,132,525.35 and 355,443.75 is: 533,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,020.98 : 1,132,525.35 = 355,443.75 : x
  2. Step 2: Convert to fraction form
    755,020.98/1,132,525.35 = 355,443.75/x
  3. Step 3: Cross multiply
    755,020.98x = 1,132,525.35 × 355,443.75
  4. Step 4: Simplify right side
    755,020.98x = 402,549,057,374.06
  5. Step 5: Solve for x
    x = 402,549,057,374.06/755,020.98
  6. Step 6: Final answer
    x = 533,162.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.