Home / 943,921.40-1,415,882.10-446,257.40

Finding the Fourth Proportional to 943,921.40, 1,415,882.10 and 446,257.40

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Solution

The fourth proportional to 943,921.40, 1,415,882.10 and 446,257.40 is: 669,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,921.40 : 1,415,882.10 = 446,257.40 : x
  2. Step 2: Convert to fraction form
    943,921.40/1,415,882.10 = 446,257.40/x
  3. Step 3: Cross multiply
    943,921.40x = 1,415,882.10 × 446,257.40
  4. Step 4: Simplify right side
    943,921.40x = 631,847,864,652.54
  5. Step 5: Solve for x
    x = 631,847,864,652.54/943,921.40
  6. Step 6: Final answer
    x = 669,386.10

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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.