Home / 723,681.39-998,799.90-401,495.29

Finding the Fourth Proportional to 723,681.39, 998,799.90 and 401,495.29

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Solution

The fourth proportional to 723,681.39, 998,799.90 and 401,495.29 is: 554,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,681.39 : 998,799.90 = 401,495.29 : x
  2. Step 2: Convert to fraction form
    723,681.39/998,799.90 = 401,495.29/x
  3. Step 3: Cross multiply
    723,681.39x = 998,799.90 × 401,495.29
  4. Step 4: Simplify right side
    723,681.39x = 401,013,450,508.47
  5. Step 5: Solve for x
    x = 401,013,450,508.47/723,681.39
  6. Step 6: Final answer
    x = 554,129.84

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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.