Home / 689,314.80-1,033,972.56-216,037.02

Finding the Fourth Proportional to 689,314.80, 1,033,972.56 and 216,037.02

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Solution

The fourth proportional to 689,314.80, 1,033,972.56 and 216,037.02 is: 324,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,314.80 : 1,033,972.56 = 216,037.02 : x
  2. Step 2: Convert to fraction form
    689,314.80/1,033,972.56 = 216,037.02/x
  3. Step 3: Cross multiply
    689,314.80x = 1,033,972.56 × 216,037.02
  4. Step 4: Simplify right side
    689,314.80x = 223,376,350,624.17
  5. Step 5: Solve for x
    x = 223,376,350,624.17/689,314.80
  6. Step 6: Final answer
    x = 324,055.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.