Home / 588,914.34-812,721.80-330,836.88

Finding the Fourth Proportional to 588,914.34, 812,721.80 and 330,836.88

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Solution

The fourth proportional to 588,914.34, 812,721.80 and 330,836.88 is: 456,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,914.34 : 812,721.80 = 330,836.88 : x
  2. Step 2: Convert to fraction form
    588,914.34/812,721.80 = 330,836.88/x
  3. Step 3: Cross multiply
    588,914.34x = 812,721.80 × 330,836.88
  4. Step 4: Simplify right side
    588,914.34x = 268,878,344,619.98
  5. Step 5: Solve for x
    x = 268,878,344,619.98/588,914.34
  6. Step 6: Final answer
    x = 456,566.14

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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.