Home / 889,123.80-1,332,707.22-439,178.52

Finding the Fourth Proportional to 889,123.80, 1,332,707.22 and 439,178.52

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Solution

The fourth proportional to 889,123.80, 1,332,707.22 and 439,178.52 is: 658,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,123.80 : 1,332,707.22 = 439,178.52 : x
  2. Step 2: Convert to fraction form
    889,123.80/1,332,707.22 = 439,178.52/x
  3. Step 3: Cross multiply
    889,123.80x = 1,332,707.22 × 439,178.52
  4. Step 4: Simplify right side
    889,123.80x = 585,296,384,472.91
  5. Step 5: Solve for x
    x = 585,296,384,472.91/889,123.80
  6. Step 6: Final answer
    x = 658,284.46

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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.