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Finding the Fourth Proportional to 647,118.08, 893,048.76 and 360,635.60

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Solution

The fourth proportional to 647,118.08, 893,048.76 and 360,635.60 is: 497,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,118.08 : 893,048.76 = 360,635.60 : x
  2. Step 2: Convert to fraction form
    647,118.08/893,048.76 = 360,635.60/x
  3. Step 3: Cross multiply
    647,118.08x = 893,048.76 × 360,635.60
  4. Step 4: Simplify right side
    647,118.08x = 322,065,175,391.86
  5. Step 5: Solve for x
    x = 322,065,175,391.86/647,118.08
  6. Step 6: Final answer
    x = 497,691.51

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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.