Home / 916,650.64-1,374,954.84-539,960.98

Finding the Fourth Proportional to 916,650.64, 1,374,954.84 and 539,960.98

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Solution

The fourth proportional to 916,650.64, 1,374,954.84 and 539,960.98 is: 809,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,650.64 : 1,374,954.84 = 539,960.98 : x
  2. Step 2: Convert to fraction form
    916,650.64/1,374,954.84 = 539,960.98/x
  3. Step 3: Cross multiply
    916,650.64x = 1,374,954.84 × 539,960.98
  4. Step 4: Simplify right side
    916,650.64x = 742,421,962,862.14
  5. Step 5: Solve for x
    x = 742,421,962,862.14/916,650.64
  6. Step 6: Final answer
    x = 809,929.03

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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.