Home / 773,285.80-1,159,928.70-274,700.20

Finding the Fourth Proportional to 773,285.80, 1,159,928.70 and 274,700.20

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Solution

The fourth proportional to 773,285.80, 1,159,928.70 and 274,700.20 is: 412,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,285.80 : 1,159,928.70 = 274,700.20 : x
  2. Step 2: Convert to fraction form
    773,285.80/1,159,928.70 = 274,700.20/x
  3. Step 3: Cross multiply
    773,285.80x = 1,159,928.70 × 274,700.20
  4. Step 4: Simplify right side
    773,285.80x = 318,632,645,875.74
  5. Step 5: Solve for x
    x = 318,632,645,875.74/773,285.80
  6. Step 6: Final answer
    x = 412,050.30

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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.