Home / 987,403.03-1,481,030.64-356,316.82

Finding the Fourth Proportional to 987,403.03, 1,481,030.64 and 356,316.82

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Solution

The fourth proportional to 987,403.03, 1,481,030.64 and 356,316.82 is: 534,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,403.03 : 1,481,030.64 = 356,316.82 : x
  2. Step 2: Convert to fraction form
    987,403.03/1,481,030.64 = 356,316.82/x
  3. Step 3: Cross multiply
    987,403.03x = 1,481,030.64 × 356,316.82
  4. Step 4: Simplify right side
    987,403.03x = 527,716,127,967.37
  5. Step 5: Solve for x
    x = 527,716,127,967.37/987,403.03
  6. Step 6: Final answer
    x = 534,448.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.