Home / 715,176.06-986,505.18-424,590.39

Finding the Fourth Proportional to 715,176.06, 986,505.18 and 424,590.39

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Solution

The fourth proportional to 715,176.06, 986,505.18 and 424,590.39 is: 585,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,176.06 : 986,505.18 = 424,590.39 : x
  2. Step 2: Convert to fraction form
    715,176.06/986,505.18 = 424,590.39/x
  3. Step 3: Cross multiply
    715,176.06x = 986,505.18 × 424,590.39
  4. Step 4: Simplify right side
    715,176.06x = 418,860,619,113.22
  5. Step 5: Solve for x
    x = 418,860,619,113.22/715,176.06
  6. Step 6: Final answer
    x = 585,674.83

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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.