Home / 699,368.20-1,049,179.14-289,038.20

Finding the Fourth Proportional to 699,368.20, 1,049,179.14 and 289,038.20

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Solution

The fourth proportional to 699,368.20, 1,049,179.14 and 289,038.20 is: 433,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,368.20 : 1,049,179.14 = 289,038.20 : x
  2. Step 2: Convert to fraction form
    699,368.20/1,049,179.14 = 289,038.20/x
  3. Step 3: Cross multiply
    699,368.20x = 1,049,179.14 × 289,038.20
  4. Step 4: Simplify right side
    699,368.20x = 303,252,850,103.15
  5. Step 5: Solve for x
    x = 303,252,850,103.15/699,368.20
  6. Step 6: Final answer
    x = 433,609.72

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Double scale
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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.