Home / 915,716.66-1,373,387.88-346,901.66

Finding the Fourth Proportional to 915,716.66, 1,373,387.88 and 346,901.66

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Solution

The fourth proportional to 915,716.66, 1,373,387.88 and 346,901.66 is: 520,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,716.66 : 1,373,387.88 = 346,901.66 : x
  2. Step 2: Convert to fraction form
    915,716.66/1,373,387.88 = 346,901.66/x
  3. Step 3: Cross multiply
    915,716.66x = 1,373,387.88 × 346,901.66
  4. Step 4: Simplify right side
    915,716.66x = 476,430,535,395.88
  5. Step 5: Solve for x
    x = 476,430,535,395.88/915,716.66
  6. Step 6: Final answer
    x = 520,281.61

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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.