Home / 588,817.45-812,587.71-330,739.91

Finding the Fourth Proportional to 588,817.45, 812,587.71 and 330,739.91

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Solution

The fourth proportional to 588,817.45, 812,587.71 and 330,739.91 is: 456,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,817.45 : 812,587.71 = 330,739.91 : x
  2. Step 2: Convert to fraction form
    588,817.45/812,587.71 = 330,739.91/x
  3. Step 3: Cross multiply
    588,817.45x = 812,587.71 × 330,739.91
  4. Step 4: Simplify right side
    588,817.45x = 268,755,186,297.05
  5. Step 5: Solve for x
    x = 268,755,186,297.05/588,817.45
  6. Step 6: Final answer
    x = 456,432.10

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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.