Home / 875,663.38-1,208,436.87-488,476.04

Finding the Fourth Proportional to 875,663.38, 1,208,436.87 and 488,476.04

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Solution

The fourth proportional to 875,663.38, 1,208,436.87 and 488,476.04 is: 674,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,663.38 : 1,208,436.87 = 488,476.04 : x
  2. Step 2: Convert to fraction form
    875,663.38/1,208,436.87 = 488,476.04/x
  3. Step 3: Cross multiply
    875,663.38x = 1,208,436.87 × 488,476.04
  4. Step 4: Simplify right side
    875,663.38x = 590,292,456,847.60
  5. Step 5: Solve for x
    x = 590,292,456,847.60/875,663.38
  6. Step 6: Final answer
    x = 674,108.88

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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.