Home / 773,638.71-1,160,695.61-369,346.77

Finding the Fourth Proportional to 773,638.71, 1,160,695.61 and 369,346.77

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Solution

The fourth proportional to 773,638.71, 1,160,695.61 and 369,346.77 is: 554,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,638.71 : 1,160,695.61 = 369,346.77 : x
  2. Step 2: Convert to fraction form
    773,638.71/1,160,695.61 = 369,346.77/x
  3. Step 3: Cross multiply
    773,638.71x = 1,160,695.61 × 369,346.77
  4. Step 4: Simplify right side
    773,638.71x = 428,699,172,659.95
  5. Step 5: Solve for x
    x = 428,699,172,659.95/773,638.71
  6. Step 6: Final answer
    x = 554,133.56

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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.