Home / 854,648.60-1,281,499.67-349,564.30

Finding the Fourth Proportional to 854,648.60, 1,281,499.67 and 349,564.30

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Solution

The fourth proportional to 854,648.60, 1,281,499.67 and 349,564.30 is: 524,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,648.60 : 1,281,499.67 = 349,564.30 : x
  2. Step 2: Convert to fraction form
    854,648.60/1,281,499.67 = 349,564.30/x
  3. Step 3: Cross multiply
    854,648.60x = 1,281,499.67 × 349,564.30
  4. Step 4: Simplify right side
    854,648.60x = 447,966,538,006.08
  5. Step 5: Solve for x
    x = 447,966,538,006.08/854,648.60
  6. Step 6: Final answer
    x = 524,152.90

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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.