Home / 847,538.40-1,269,339.30-579,849.60

Finding the Fourth Proportional to 847,538.40, 1,269,339.30 and 579,849.60

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Solution

The fourth proportional to 847,538.40, 1,269,339.30 and 579,849.60 is: 868,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,538.40 : 1,269,339.30 = 579,849.60 : x
  2. Step 2: Convert to fraction form
    847,538.40/1,269,339.30 = 579,849.60/x
  3. Step 3: Cross multiply
    847,538.40x = 1,269,339.30 × 579,849.60
  4. Step 4: Simplify right side
    847,538.40x = 736,025,885,369.28
  5. Step 5: Solve for x
    x = 736,025,885,369.28/847,538.40
  6. Step 6: Final answer
    x = 868,427.77

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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.