Home / 750,515.57-1,125,646.56-210,647.96

Finding the Fourth Proportional to 750,515.57, 1,125,646.56 and 210,647.96

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Solution

The fourth proportional to 750,515.57, 1,125,646.56 and 210,647.96 is: 315,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,515.57 : 1,125,646.56 = 210,647.96 : x
  2. Step 2: Convert to fraction form
    750,515.57/1,125,646.56 = 210,647.96/x
  3. Step 3: Cross multiply
    750,515.57x = 1,125,646.56 × 210,647.96
  4. Step 4: Simplify right side
    750,515.57x = 237,115,145,916.79
  5. Step 5: Solve for x
    x = 237,115,145,916.79/750,515.57
  6. Step 6: Final answer
    x = 315,936.35

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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.