Home / 584,830.40-876,079.20-335,220.80

Finding the Fourth Proportional to 584,830.40, 876,079.20 and 335,220.80

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Solution

The fourth proportional to 584,830.40, 876,079.20 and 335,220.80 is: 502,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,830.40 : 876,079.20 = 335,220.80 : x
  2. Step 2: Convert to fraction form
    584,830.40/876,079.20 = 335,220.80/x
  3. Step 3: Cross multiply
    584,830.40x = 876,079.20 × 335,220.80
  4. Step 4: Simplify right side
    584,830.40x = 293,679,970,287.36
  5. Step 5: Solve for x
    x = 293,679,970,287.36/584,830.40
  6. Step 6: Final answer
    x = 502,162.63

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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.