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Finding the Fourth Proportional to 672,464, 928,000.32 and 370,664.48

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Solution

The fourth proportional to 672,464, 928,000.32 and 370,664.48 is: 511,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,464 : 928,000.32 = 370,664.48 : x
  2. Step 2: Convert to fraction form
    672,464/928,000.32 = 370,664.48/x
  3. Step 3: Cross multiply
    672,464x = 928,000.32 × 370,664.48
  4. Step 4: Simplify right side
    672,464x = 343,976,756,052.63
  5. Step 5: Solve for x
    x = 343,976,756,052.63/672,464
  6. Step 6: Final answer
    x = 511,516.98

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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.