Home / 918,304.40-1,266,822.76-612,522

Finding the Fourth Proportional to 918,304.40, 1,266,822.76 and 612,522

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Solution

The fourth proportional to 918,304.40, 1,266,822.76 and 612,522 is: 844,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,304.40 : 1,266,822.76 = 612,522 : x
  2. Step 2: Convert to fraction form
    918,304.40/1,266,822.76 = 612,522/x
  3. Step 3: Cross multiply
    918,304.40x = 1,266,822.76 × 612,522
  4. Step 4: Simplify right side
    918,304.40x = 775,956,810,600.72
  5. Step 5: Solve for x
    x = 775,956,810,600.72/918,304.40
  6. Step 6: Final answer
    x = 844,988.67

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Similar ratio
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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.