Home / 869,744.20-1,304,846.70-308,720.20

Finding the Fourth Proportional to 869,744.20, 1,304,846.70 and 308,720.20

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Solution

The fourth proportional to 869,744.20, 1,304,846.70 and 308,720.20 is: 463,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,744.20 : 1,304,846.70 = 308,720.20 : x
  2. Step 2: Convert to fraction form
    869,744.20/1,304,846.70 = 308,720.20/x
  3. Step 3: Cross multiply
    869,744.20x = 1,304,846.70 × 308,720.20
  4. Step 4: Simplify right side
    869,744.20x = 402,832,534,193.34
  5. Step 5: Solve for x
    x = 402,832,534,193.34/869,744.20
  6. Step 6: Final answer
    x = 463,162.08

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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.