Home / 822,839.12-1,135,483.08-478,675.88

Finding the Fourth Proportional to 822,839.12, 1,135,483.08 and 478,675.88

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Solution

The fourth proportional to 822,839.12, 1,135,483.08 and 478,675.88 is: 660,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,839.12 : 1,135,483.08 = 478,675.88 : x
  2. Step 2: Convert to fraction form
    822,839.12/1,135,483.08 = 478,675.88/x
  3. Step 3: Cross multiply
    822,839.12x = 1,135,483.08 × 478,675.88
  4. Step 4: Simplify right side
    822,839.12x = 543,528,362,544.11
  5. Step 5: Solve for x
    x = 543,528,362,544.11/822,839.12
  6. Step 6: Final answer
    x = 660,552.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.