Home / 881,492.31-1,321,462.98-349,386.84

Finding the Fourth Proportional to 881,492.31, 1,321,462.98 and 349,386.84

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Solution

The fourth proportional to 881,492.31, 1,321,462.98 and 349,386.84 is: 523,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,492.31 : 1,321,462.98 = 349,386.84 : x
  2. Step 2: Convert to fraction form
    881,492.31/1,321,462.98 = 349,386.84/x
  3. Step 3: Cross multiply
    881,492.31x = 1,321,462.98 × 349,386.84
  4. Step 4: Simplify right side
    881,492.31x = 461,701,774,759.18
  5. Step 5: Solve for x
    x = 461,701,774,759.18/881,492.31
  6. Step 6: Final answer
    x = 523,772.89

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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.