Home / 946,566.72-1,306,315.20-516,886.80

Finding the Fourth Proportional to 946,566.72, 1,306,315.20 and 516,886.80

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Solution

The fourth proportional to 946,566.72, 1,306,315.20 and 516,886.80 is: 713,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,566.72 : 1,306,315.20 = 516,886.80 : x
  2. Step 2: Convert to fraction form
    946,566.72/1,306,315.20 = 516,886.80/x
  3. Step 3: Cross multiply
    946,566.72x = 1,306,315.20 × 516,886.80
  4. Step 4: Simplify right side
    946,566.72x = 675,217,083,519.36
  5. Step 5: Solve for x
    x = 675,217,083,519.36/946,566.72
  6. Step 6: Final answer
    x = 713,332.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.