Home / 854,420.80-1,281,746.40-293,627.20

Finding the Fourth Proportional to 854,420.80, 1,281,746.40 and 293,627.20

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Solution

The fourth proportional to 854,420.80, 1,281,746.40 and 293,627.20 is: 440,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,420.80 : 1,281,746.40 = 293,627.20 : x
  2. Step 2: Convert to fraction form
    854,420.80/1,281,746.40 = 293,627.20/x
  3. Step 3: Cross multiply
    854,420.80x = 1,281,746.40 × 293,627.20
  4. Step 4: Simplify right side
    854,420.80x = 376,355,606,542.08
  5. Step 5: Solve for x
    x = 376,355,606,542.08/854,420.80
  6. Step 6: Final answer
    x = 440,480.39

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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.