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Finding the Fourth Proportional to 648,007.84, 894,247.92 and 361,528.24

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Solution

The fourth proportional to 648,007.84, 894,247.92 and 361,528.24 is: 498,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,007.84 : 894,247.92 = 361,528.24 : x
  2. Step 2: Convert to fraction form
    648,007.84/894,247.92 = 361,528.24/x
  3. Step 3: Cross multiply
    648,007.84x = 894,247.92 × 361,528.24
  4. Step 4: Simplify right side
    648,007.84x = 323,295,876,641.26
  5. Step 5: Solve for x
    x = 323,295,876,641.26/648,007.84
  6. Step 6: Final answer
    x = 498,907.35

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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.