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Finding the Fourth Proportional to 460,358.30, 689,371.05 and 367,046.30

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Solution

The fourth proportional to 460,358.30, 689,371.05 and 367,046.30 is: 549,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,358.30 : 689,371.05 = 367,046.30 : x
  2. Step 2: Convert to fraction form
    460,358.30/689,371.05 = 367,046.30/x
  3. Step 3: Cross multiply
    460,358.30x = 689,371.05 × 367,046.30
  4. Step 4: Simplify right side
    460,358.30x = 253,031,093,229.62
  5. Step 5: Solve for x
    x = 253,031,093,229.62/460,358.30
  6. Step 6: Final answer
    x = 549,639.47

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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.