Home / 889,774.46-1,227,890.35-481,875.11

Finding the Fourth Proportional to 889,774.46, 1,227,890.35 and 481,875.11

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Solution

The fourth proportional to 889,774.46, 1,227,890.35 and 481,875.11 is: 664,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,774.46 : 1,227,890.35 = 481,875.11 : x
  2. Step 2: Convert to fraction form
    889,774.46/1,227,890.35 = 481,875.11/x
  3. Step 3: Cross multiply
    889,774.46x = 1,227,890.35 × 481,875.11
  4. Step 4: Simplify right side
    889,774.46x = 591,689,797,474.19
  5. Step 5: Solve for x
    x = 591,689,797,474.19/889,774.46
  6. Step 6: Final answer
    x = 664,988.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.