Home / 690,897.39-953,424.03-384,972.54

Finding the Fourth Proportional to 690,897.39, 953,424.03 and 384,972.54

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Solution

The fourth proportional to 690,897.39, 953,424.03 and 384,972.54 is: 531,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,897.39 : 953,424.03 = 384,972.54 : x
  2. Step 2: Convert to fraction form
    690,897.39/953,424.03 = 384,972.54/x
  3. Step 3: Cross multiply
    690,897.39x = 953,424.03 × 384,972.54
  4. Step 4: Simplify right side
    690,897.39x = 367,042,070,526.14
  5. Step 5: Solve for x
    x = 367,042,070,526.14/690,897.39
  6. Step 6: Final answer
    x = 531,254.10

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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.