Home / 872,507.30-1,309,987.06-446,348.81

Finding the Fourth Proportional to 872,507.30, 1,309,987.06 and 446,348.81

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Solution

The fourth proportional to 872,507.30, 1,309,987.06 and 446,348.81 is: 670,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.30 : 1,309,987.06 = 446,348.81 : x
  2. Step 2: Convert to fraction form
    872,507.30/1,309,987.06 = 446,348.81/x
  3. Step 3: Cross multiply
    872,507.30x = 1,309,987.06 × 446,348.81
  4. Step 4: Simplify right side
    872,507.30x = 584,711,167,505.49
  5. Step 5: Solve for x
    x = 584,711,167,505.49/872,507.30
  6. Step 6: Final answer
    x = 670,150.46

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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.