Home / 742,321.68-1,114,269.89-657,483.27

Finding the Fourth Proportional to 742,321.68, 1,114,269.89 and 657,483.27

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Solution

The fourth proportional to 742,321.68, 1,114,269.89 and 657,483.27 is: 986,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,321.68 : 1,114,269.89 = 657,483.27 : x
  2. Step 2: Convert to fraction form
    742,321.68/1,114,269.89 = 657,483.27/x
  3. Step 3: Cross multiply
    742,321.68x = 1,114,269.89 × 657,483.27
  4. Step 4: Simplify right side
    742,321.68x = 732,613,810,438.00
  5. Step 5: Solve for x
    x = 732,613,810,438.00/742,321.68
  6. Step 6: Final answer
    x = 986,922.29

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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.