Home / 854,444-1,281,946.54-349,429.70

Finding the Fourth Proportional to 854,444, 1,281,946.54 and 349,429.70

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Solution

The fourth proportional to 854,444, 1,281,946.54 and 349,429.70 is: 524,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,444 : 1,281,946.54 = 349,429.70 : x
  2. Step 2: Convert to fraction form
    854,444/1,281,946.54 = 349,429.70/x
  3. Step 3: Cross multiply
    854,444x = 1,281,946.54 × 349,429.70
  4. Step 4: Simplify right side
    854,444x = 447,950,194,888.24
  5. Step 5: Solve for x
    x = 447,950,194,888.24/854,444
  6. Step 6: Final answer
    x = 524,259.28

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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.