Home / 872,506.14-1,309,985.37-446,347.65

Finding the Fourth Proportional to 872,506.14, 1,309,985.37 and 446,347.65

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Solution

The fourth proportional to 872,506.14, 1,309,985.37 and 446,347.65 is: 670,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,506.14 : 1,309,985.37 = 446,347.65 : x
  2. Step 2: Convert to fraction form
    872,506.14/1,309,985.37 = 446,347.65/x
  3. Step 3: Cross multiply
    872,506.14x = 1,309,985.37 × 446,347.65
  4. Step 4: Simplify right side
    872,506.14x = 584,708,891,433.88
  5. Step 5: Solve for x
    x = 584,708,891,433.88/872,506.14
  6. Step 6: Final answer
    x = 670,148.74

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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.