Home / 524,123.19-723,367.67-320,291.55

Finding the Fourth Proportional to 524,123.19, 723,367.67 and 320,291.55

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Solution

The fourth proportional to 524,123.19, 723,367.67 and 320,291.55 is: 442,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,123.19 : 723,367.67 = 320,291.55 : x
  2. Step 2: Convert to fraction form
    524,123.19/723,367.67 = 320,291.55/x
  3. Step 3: Cross multiply
    524,123.19x = 723,367.67 × 320,291.55
  4. Step 4: Simplify right side
    524,123.19x = 231,688,550,642.73
  5. Step 5: Solve for x
    x = 231,688,550,642.73/524,123.19
  6. Step 6: Final answer
    x = 442,049.80

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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.