Home / 850,911.81-1,174,258.31-468,938.59

Finding the Fourth Proportional to 850,911.81, 1,174,258.31 and 468,938.59

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Solution

The fourth proportional to 850,911.81, 1,174,258.31 and 468,938.59 is: 647,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,911.81 : 1,174,258.31 = 468,938.59 : x
  2. Step 2: Convert to fraction form
    850,911.81/1,174,258.31 = 468,938.59/x
  3. Step 3: Cross multiply
    850,911.81x = 1,174,258.31 × 468,938.59
  4. Step 4: Simplify right side
    850,911.81x = 550,655,037,359.53
  5. Step 5: Solve for x
    x = 550,655,037,359.53/850,911.81
  6. Step 6: Final answer
    x = 647,135.26

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1.5x scale

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.