Home / 961,178.02-1,326,372.67-531,429.80

Finding the Fourth Proportional to 961,178.02, 1,326,372.67 and 531,429.80

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Solution

The fourth proportional to 961,178.02, 1,326,372.67 and 531,429.80 is: 733,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,178.02 : 1,326,372.67 = 531,429.80 : x
  2. Step 2: Convert to fraction form
    961,178.02/1,326,372.67 = 531,429.80/x
  3. Step 3: Cross multiply
    961,178.02x = 1,326,372.67 × 531,429.80
  4. Step 4: Simplify right side
    961,178.02x = 704,873,962,743.57
  5. Step 5: Solve for x
    x = 704,873,962,743.57/961,178.02
  6. Step 6: Final answer
    x = 733,343.82

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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.