Home / 835,985.76-1,154,138.57-550,336.23

Finding the Fourth Proportional to 835,985.76, 1,154,138.57 and 550,336.23

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Solution

The fourth proportional to 835,985.76, 1,154,138.57 and 550,336.23 is: 759,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,985.76 : 1,154,138.57 = 550,336.23 : x
  2. Step 2: Convert to fraction form
    835,985.76/1,154,138.57 = 550,336.23/x
  3. Step 3: Cross multiply
    835,985.76x = 1,154,138.57 × 550,336.23
  4. Step 4: Simplify right side
    835,985.76x = 635,164,266,759.71
  5. Step 5: Solve for x
    x = 635,164,266,759.71/835,985.76
  6. Step 6: Final answer
    x = 759,778.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.