Home / 671,654.03-926,172.23-518,717.12

Finding the Fourth Proportional to 671,654.03, 926,172.23 and 518,717.12

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Solution

The fourth proportional to 671,654.03, 926,172.23 and 518,717.12 is: 715,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,654.03 : 926,172.23 = 518,717.12 : x
  2. Step 2: Convert to fraction form
    671,654.03/926,172.23 = 518,717.12/x
  3. Step 3: Cross multiply
    671,654.03x = 926,172.23 × 518,717.12
  4. Step 4: Simplify right side
    671,654.03x = 480,421,384,545.13
  5. Step 5: Solve for x
    x = 480,421,384,545.13/671,654.03
  6. Step 6: Final answer
    x = 715,281.03

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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.