Home / 780,045.30-1,170,067.95-727,557.30

Finding the Fourth Proportional to 780,045.30, 1,170,067.95 and 727,557.30

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Solution

The fourth proportional to 780,045.30, 1,170,067.95 and 727,557.30 is: 1,091,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,045.30 : 1,170,067.95 = 727,557.30 : x
  2. Step 2: Convert to fraction form
    780,045.30/1,170,067.95 = 727,557.30/x
  3. Step 3: Cross multiply
    780,045.30x = 1,170,067.95 × 727,557.30
  4. Step 4: Simplify right side
    780,045.30x = 851,291,478,518.54
  5. Step 5: Solve for x
    x = 851,291,478,518.54/780,045.30
  6. Step 6: Final answer
    x = 1,091,335.95

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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.