Home / 948,688-1,309,260.48-540,799.56

Finding the Fourth Proportional to 948,688, 1,309,260.48 and 540,799.56

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Solution

The fourth proportional to 948,688, 1,309,260.48 and 540,799.56 is: 746,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,688 : 1,309,260.48 = 540,799.56 : x
  2. Step 2: Convert to fraction form
    948,688/1,309,260.48 = 540,799.56/x
  3. Step 3: Cross multiply
    948,688x = 1,309,260.48 × 540,799.56
  4. Step 4: Simplify right side
    948,688x = 708,047,491,509.39
  5. Step 5: Solve for x
    x = 708,047,491,509.39/948,688
  6. Step 6: Final answer
    x = 746,343.89

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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.