Home / 859,007.30-1,288,393.22-475,465.57

Finding the Fourth Proportional to 859,007.30, 1,288,393.22 and 475,465.57

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Solution

The fourth proportional to 859,007.30, 1,288,393.22 and 475,465.57 is: 713,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,007.30 : 1,288,393.22 = 475,465.57 : x
  2. Step 2: Convert to fraction form
    859,007.30/1,288,393.22 = 475,465.57/x
  3. Step 3: Cross multiply
    859,007.30x = 1,288,393.22 × 475,465.57
  4. Step 4: Simplify right side
    859,007.30x = 612,586,614,699.12
  5. Step 5: Solve for x
    x = 612,586,614,699.12/859,007.30
  6. Step 6: Final answer
    x = 713,133.19

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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.