Home / 690,197.81-1,035,545.84-240,984.86

Finding the Fourth Proportional to 690,197.81, 1,035,545.84 and 240,984.86

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Solution

The fourth proportional to 690,197.81, 1,035,545.84 and 240,984.86 is: 361,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,197.81 : 1,035,545.84 = 240,984.86 : x
  2. Step 2: Convert to fraction form
    690,197.81/1,035,545.84 = 240,984.86/x
  3. Step 3: Cross multiply
    690,197.81x = 1,035,545.84 × 240,984.86
  4. Step 4: Simplify right side
    690,197.81x = 249,550,862,893.33
  5. Step 5: Solve for x
    x = 249,550,862,893.33/690,197.81
  6. Step 6: Final answer
    x = 361,564.27

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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.