Home / 854,455.40-1,281,963.68-349,441.10

Finding the Fourth Proportional to 854,455.40, 1,281,963.68 and 349,441.10

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Solution

The fourth proportional to 854,455.40, 1,281,963.68 and 349,441.10 is: 524,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,455.40 : 1,281,963.68 = 349,441.10 : x
  2. Step 2: Convert to fraction form
    854,455.40/1,281,963.68 = 349,441.10/x
  3. Step 3: Cross multiply
    854,455.40x = 1,281,963.68 × 349,441.10
  4. Step 4: Simplify right side
    854,455.40x = 447,970,798,499.25
  5. Step 5: Solve for x
    x = 447,970,798,499.25/854,455.40
  6. Step 6: Final answer
    x = 524,276.40

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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.