Home / 659,403.16-989,077.38-304,299.16

Finding the Fourth Proportional to 659,403.16, 989,077.38 and 304,299.16

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Solution

The fourth proportional to 659,403.16, 989,077.38 and 304,299.16 is: 456,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,403.16 : 989,077.38 = 304,299.16 : x
  2. Step 2: Convert to fraction form
    659,403.16/989,077.38 = 304,299.16/x
  3. Step 3: Cross multiply
    659,403.16x = 989,077.38 × 304,299.16
  4. Step 4: Simplify right side
    659,403.16x = 300,975,415,909.00
  5. Step 5: Solve for x
    x = 300,975,415,909.00/659,403.16
  6. Step 6: Final answer
    x = 456,436.11

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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.