Home / 870,748.20-1,305,619.47-337,646.46

Finding the Fourth Proportional to 870,748.20, 1,305,619.47 and 337,646.46

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Solution

The fourth proportional to 870,748.20, 1,305,619.47 and 337,646.46 is: 506,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,748.20 : 1,305,619.47 = 337,646.46 : x
  2. Step 2: Convert to fraction form
    870,748.20/1,305,619.47 = 337,646.46/x
  3. Step 3: Cross multiply
    870,748.20x = 1,305,619.47 × 337,646.46
  4. Step 4: Simplify right side
    870,748.20x = 440,837,792,152.58
  5. Step 5: Solve for x
    x = 440,837,792,152.58/870,748.20
  6. Step 6: Final answer
    x = 506,274.71

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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.