Home / 446,968.13-670,009.32-209,886.39

Finding the Fourth Proportional to 446,968.13, 670,009.32 and 209,886.39

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Solution

The fourth proportional to 446,968.13, 670,009.32 and 209,886.39 is: 314,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,968.13 : 670,009.32 = 209,886.39 : x
  2. Step 2: Convert to fraction form
    446,968.13/670,009.32 = 209,886.39/x
  3. Step 3: Cross multiply
    446,968.13x = 670,009.32 × 209,886.39
  4. Step 4: Simplify right side
    446,968.13x = 140,625,837,441.16
  5. Step 5: Solve for x
    x = 140,625,837,441.16/446,968.13
  6. Step 6: Final answer
    x = 314,621.62

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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.