Home / 876,620.70-1,314,931.05-404,228.70

Finding the Fourth Proportional to 876,620.70, 1,314,931.05 and 404,228.70

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Solution

The fourth proportional to 876,620.70, 1,314,931.05 and 404,228.70 is: 606,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,620.70 : 1,314,931.05 = 404,228.70 : x
  2. Step 2: Convert to fraction form
    876,620.70/1,314,931.05 = 404,228.70/x
  3. Step 3: Cross multiply
    876,620.70x = 1,314,931.05 × 404,228.70
  4. Step 4: Simplify right side
    876,620.70x = 531,532,868,931.14
  5. Step 5: Solve for x
    x = 531,532,868,931.14/876,620.70
  6. Step 6: Final answer
    x = 606,343.05

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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.