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Finding the Fourth Proportional to 583,862, 875,793 and 140,630

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Solution

The fourth proportional to 583,862, 875,793 and 140,630 is: 210,945

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,862 : 875,793 = 140,630 : x
  2. Step 2: Convert to fraction form
    583,862/875,793 = 140,630/x
  3. Step 3: Cross multiply
    583,862x = 875,793 × 140,630
  4. Step 4: Simplify right side
    583,862x = 123,162,769,590
  5. Step 5: Solve for x
    x = 123,162,769,590/583,862
  6. Step 6: Final answer
    x = 210,945

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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.