Home / 655,911.47-983,867.39-506,370.05

Finding the Fourth Proportional to 655,911.47, 983,867.39 and 506,370.05

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Solution

The fourth proportional to 655,911.47, 983,867.39 and 506,370.05 is: 759,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,911.47 : 983,867.39 = 506,370.05 : x
  2. Step 2: Convert to fraction form
    655,911.47/983,867.39 = 506,370.05/x
  3. Step 3: Cross multiply
    655,911.47x = 983,867.39 × 506,370.05
  4. Step 4: Simplify right side
    655,911.47x = 498,200,981,294.38
  5. Step 5: Solve for x
    x = 498,200,981,294.38/655,911.47
  6. Step 6: Final answer
    x = 759,555.22

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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.