Home / 833,118.12-1,249,614.82-300,639.13

Finding the Fourth Proportional to 833,118.12, 1,249,614.82 and 300,639.13

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Solution

The fourth proportional to 833,118.12, 1,249,614.82 and 300,639.13 is: 450,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,118.12 : 1,249,614.82 = 300,639.13 : x
  2. Step 2: Convert to fraction form
    833,118.12/1,249,614.82 = 300,639.13/x
  3. Step 3: Cross multiply
    833,118.12x = 1,249,614.82 × 300,639.13
  4. Step 4: Simplify right side
    833,118.12x = 375,683,114,257.72
  5. Step 5: Solve for x
    x = 375,683,114,257.72/833,118.12
  6. Step 6: Final answer
    x = 450,936.19

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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.