Home / 723,584.62-1,085,154.78-500,379.40

Finding the Fourth Proportional to 723,584.62, 1,085,154.78 and 500,379.40

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Solution

The fourth proportional to 723,584.62, 1,085,154.78 and 500,379.40 is: 750,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,584.62 : 1,085,154.78 = 500,379.40 : x
  2. Step 2: Convert to fraction form
    723,584.62/1,085,154.78 = 500,379.40/x
  3. Step 3: Cross multiply
    723,584.62x = 1,085,154.78 × 500,379.40
  4. Step 4: Simplify right side
    723,584.62x = 542,989,092,297.76
  5. Step 5: Solve for x
    x = 542,989,092,297.76/723,584.62
  6. Step 6: Final answer
    x = 750,415.47

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1.5x scale

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.