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Finding the Fourth Proportional to 586,469.94, 876,066.14 and 425,266.18

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Solution

The fourth proportional to 586,469.94, 876,066.14 and 425,266.18 is: 635,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,469.94 : 876,066.14 = 425,266.18 : x
  2. Step 2: Convert to fraction form
    586,469.94/876,066.14 = 425,266.18/x
  3. Step 3: Cross multiply
    586,469.94x = 876,066.14 × 425,266.18
  4. Step 4: Simplify right side
    586,469.94x = 372,561,300,785.15
  5. Step 5: Solve for x
    x = 372,561,300,785.15/586,469.94
  6. Step 6: Final answer
    x = 635,260.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.