Home / 836,792.30-1,155,329.48-642,854.58

Finding the Fourth Proportional to 836,792.30, 1,155,329.48 and 642,854.58

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Solution

The fourth proportional to 836,792.30, 1,155,329.48 and 642,854.58 is: 887,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,792.30 : 1,155,329.48 = 642,854.58 : x
  2. Step 2: Convert to fraction form
    836,792.30/1,155,329.48 = 642,854.58/x
  3. Step 3: Cross multiply
    836,792.30x = 1,155,329.48 × 642,854.58
  4. Step 4: Simplify right side
    836,792.30x = 742,708,847,627.02
  5. Step 5: Solve for x
    x = 742,708,847,627.02/836,792.30
  6. Step 6: Final answer
    x = 887,566.54

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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.