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Finding the Fourth Proportional to 672,886.04, 928,582.08 and 366,963

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Solution

The fourth proportional to 672,886.04, 928,582.08 and 366,963 is: 506,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,886.04 : 928,582.08 = 366,963 : x
  2. Step 2: Convert to fraction form
    672,886.04/928,582.08 = 366,963/x
  3. Step 3: Cross multiply
    672,886.04x = 928,582.08 × 366,963
  4. Step 4: Simplify right side
    672,886.04x = 340,755,265,823.04
  5. Step 5: Solve for x
    x = 340,755,265,823.04/672,886.04
  6. Step 6: Final answer
    x = 506,408.58

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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.