Home / 612,055.80-918,083.70-274,966.20

Finding the Fourth Proportional to 612,055.80, 918,083.70 and 274,966.20

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Solution

The fourth proportional to 612,055.80, 918,083.70 and 274,966.20 is: 412,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,055.80 : 918,083.70 = 274,966.20 : x
  2. Step 2: Convert to fraction form
    612,055.80/918,083.70 = 274,966.20/x
  3. Step 3: Cross multiply
    612,055.80x = 918,083.70 × 274,966.20
  4. Step 4: Simplify right side
    612,055.80x = 252,441,986,270.94
  5. Step 5: Solve for x
    x = 252,441,986,270.94/612,055.80
  6. Step 6: Final answer
    x = 412,449.30

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1.5x scale

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.