Home / 980,288.59-1,352,803.64-550,568.76

Finding the Fourth Proportional to 980,288.59, 1,352,803.64 and 550,568.76

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Solution

The fourth proportional to 980,288.59, 1,352,803.64 and 550,568.76 is: 759,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,288.59 : 1,352,803.64 = 550,568.76 : x
  2. Step 2: Convert to fraction form
    980,288.59/1,352,803.64 = 550,568.76/x
  3. Step 3: Cross multiply
    980,288.59x = 1,352,803.64 × 550,568.76
  4. Step 4: Simplify right side
    980,288.59x = 744,811,422,598.29
  5. Step 5: Solve for x
    x = 744,811,422,598.29/980,288.59
  6. Step 6: Final answer
    x = 759,787.91

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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.