Home / 686,451.70-1,029,716.67-230,860.02

Finding the Fourth Proportional to 686,451.70, 1,029,716.67 and 230,860.02

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Solution

The fourth proportional to 686,451.70, 1,029,716.67 and 230,860.02 is: 346,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,451.70 : 1,029,716.67 = 230,860.02 : x
  2. Step 2: Convert to fraction form
    686,451.70/1,029,716.67 = 230,860.02/x
  3. Step 3: Cross multiply
    686,451.70x = 1,029,716.67 × 230,860.02
  4. Step 4: Simplify right side
    686,451.70x = 237,720,411,030.53
  5. Step 5: Solve for x
    x = 237,720,411,030.53/686,451.70
  6. Step 6: Final answer
    x = 346,303.19

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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.