Home / 772,760.91-1,153,512.75-715,776.06

Finding the Fourth Proportional to 772,760.91, 1,153,512.75 and 715,776.06

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Solution

The fourth proportional to 772,760.91, 1,153,512.75 and 715,776.06 is: 1,068,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,760.91 : 1,153,512.75 = 715,776.06 : x
  2. Step 2: Convert to fraction form
    772,760.91/1,153,512.75 = 715,776.06/x
  3. Step 3: Cross multiply
    772,760.91x = 1,153,512.75 × 715,776.06
  4. Step 4: Simplify right side
    772,760.91x = 825,656,811,354.77
  5. Step 5: Solve for x
    x = 825,656,811,354.77/772,760.91
  6. Step 6: Final answer
    x = 1,068,450.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.