Home / 869,501.70-1,304,900.55-448,560.90

Finding the Fourth Proportional to 869,501.70, 1,304,900.55 and 448,560.90

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Solution

The fourth proportional to 869,501.70, 1,304,900.55 and 448,560.90 is: 673,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,501.70 : 1,304,900.55 = 448,560.90 : x
  2. Step 2: Convert to fraction form
    869,501.70/1,304,900.55 = 448,560.90/x
  3. Step 3: Cross multiply
    869,501.70x = 1,304,900.55 × 448,560.90
  4. Step 4: Simplify right side
    869,501.70x = 585,327,365,118.50
  5. Step 5: Solve for x
    x = 585,327,365,118.50/869,501.70
  6. Step 6: Final answer
    x = 673,175.64

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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.