Home / 588,421.98-811,955.34-330,263.91

Finding the Fourth Proportional to 588,421.98, 811,955.34 and 330,263.91

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Solution

The fourth proportional to 588,421.98, 811,955.34 and 330,263.91 is: 455,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,421.98 : 811,955.34 = 330,263.91 : x
  2. Step 2: Convert to fraction form
    588,421.98/811,955.34 = 330,263.91/x
  3. Step 3: Cross multiply
    588,421.98x = 811,955.34 × 330,263.91
  4. Step 4: Simplify right side
    588,421.98x = 268,159,545,333.78
  5. Step 5: Solve for x
    x = 268,159,545,333.78/588,421.98
  6. Step 6: Final answer
    x = 455,726.59

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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.