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Finding the Fourth Proportional to 585,986.60, 879,498.30 and 502,005.80

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Solution

The fourth proportional to 585,986.60, 879,498.30 and 502,005.80 is: 753,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,986.60 : 879,498.30 = 502,005.80 : x
  2. Step 2: Convert to fraction form
    585,986.60/879,498.30 = 502,005.80/x
  3. Step 3: Cross multiply
    585,986.60x = 879,498.30 × 502,005.80
  4. Step 4: Simplify right side
    585,986.60x = 441,513,247,690.14
  5. Step 5: Solve for x
    x = 441,513,247,690.14/585,986.60
  6. Step 6: Final answer
    x = 753,452.81

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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.