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Finding the Fourth Proportional to 583,939.74, 875,907.69 and 140,707.74

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Solution

The fourth proportional to 583,939.74, 875,907.69 and 140,707.74 is: 211,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,939.74 : 875,907.69 = 140,707.74 : x
  2. Step 2: Convert to fraction form
    583,939.74/875,907.69 = 140,707.74/x
  3. Step 3: Cross multiply
    583,939.74x = 875,907.69 × 140,707.74
  4. Step 4: Simplify right side
    583,939.74x = 123,246,991,508.52
  5. Step 5: Solve for x
    x = 123,246,991,508.52/583,939.74
  6. Step 6: Final answer
    x = 211,061.15

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1.5x scale

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.