Home / 986,365.27-1,479,631.79-346,613.80

Finding the Fourth Proportional to 986,365.27, 1,479,631.79 and 346,613.80

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Solution

The fourth proportional to 986,365.27, 1,479,631.79 and 346,613.80 is: 519,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,365.27 : 1,479,631.79 = 346,613.80 : x
  2. Step 2: Convert to fraction form
    986,365.27/1,479,631.79 = 346,613.80/x
  3. Step 3: Cross multiply
    986,365.27x = 1,479,631.79 × 346,613.80
  4. Step 4: Simplify right side
    986,365.27x = 512,860,797,332.70
  5. Step 5: Solve for x
    x = 512,860,797,332.70/986,365.27
  6. Step 6: Final answer
    x = 519,950.18

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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.