Home / 809,423.34-1,214,139.90-360,038.58

Finding the Fourth Proportional to 809,423.34, 1,214,139.90 and 360,038.58

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Solution

The fourth proportional to 809,423.34, 1,214,139.90 and 360,038.58 is: 540,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,423.34 : 1,214,139.90 = 360,038.58 : x
  2. Step 2: Convert to fraction form
    809,423.34/1,214,139.90 = 360,038.58/x
  3. Step 3: Cross multiply
    809,423.34x = 1,214,139.90 × 360,038.58
  4. Step 4: Simplify right side
    809,423.34x = 437,137,205,517.34
  5. Step 5: Solve for x
    x = 437,137,205,517.34/809,423.34
  6. Step 6: Final answer
    x = 540,060.05

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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.