Home / 875,119.80-1,311,887.70-609,007.80

Finding the Fourth Proportional to 875,119.80, 1,311,887.70 and 609,007.80

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Solution

The fourth proportional to 875,119.80, 1,311,887.70 and 609,007.80 is: 912,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,119.80 : 1,311,887.70 = 609,007.80 : x
  2. Step 2: Convert to fraction form
    875,119.80/1,311,887.70 = 609,007.80/x
  3. Step 3: Cross multiply
    875,119.80x = 1,311,887.70 × 609,007.80
  4. Step 4: Simplify right side
    875,119.80x = 798,949,842,024.06
  5. Step 5: Solve for x
    x = 798,949,842,024.06/875,119.80
  6. Step 6: Final answer
    x = 912,960.54

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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.