Home / 872,209.80-1,308,822.32-366,734.16

Finding the Fourth Proportional to 872,209.80, 1,308,822.32 and 366,734.16

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Solution

The fourth proportional to 872,209.80, 1,308,822.32 and 366,734.16 is: 550,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,209.80 : 1,308,822.32 = 366,734.16 : x
  2. Step 2: Convert to fraction form
    872,209.80/1,308,822.32 = 366,734.16/x
  3. Step 3: Cross multiply
    872,209.80x = 1,308,822.32 × 366,734.16
  4. Step 4: Simplify right side
    872,209.80x = 479,989,854,114.45
  5. Step 5: Solve for x
    x = 479,989,854,114.45/872,209.80
  6. Step 6: Final answer
    x = 550,314.68

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1.5x scale

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.