Home / 854,812.80-1,282,334.40-294,019.20

Finding the Fourth Proportional to 854,812.80, 1,282,334.40 and 294,019.20

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Solution

The fourth proportional to 854,812.80, 1,282,334.40 and 294,019.20 is: 441,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,812.80 : 1,282,334.40 = 294,019.20 : x
  2. Step 2: Convert to fraction form
    854,812.80/1,282,334.40 = 294,019.20/x
  3. Step 3: Cross multiply
    854,812.80x = 1,282,334.40 × 294,019.20
  4. Step 4: Simplify right side
    854,812.80x = 377,030,934,420.48
  5. Step 5: Solve for x
    x = 377,030,934,420.48/854,812.80
  6. Step 6: Final answer
    x = 441,068.42

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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.