Home / 918,246.30-1,377,369.45-664,335.60

Finding the Fourth Proportional to 918,246.30, 1,377,369.45 and 664,335.60

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Solution

The fourth proportional to 918,246.30, 1,377,369.45 and 664,335.60 is: 996,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,246.30 : 1,377,369.45 = 664,335.60 : x
  2. Step 2: Convert to fraction form
    918,246.30/1,377,369.45 = 664,335.60/x
  3. Step 3: Cross multiply
    918,246.30x = 1,377,369.45 × 664,335.60
  4. Step 4: Simplify right side
    918,246.30x = 915,035,559,987.42
  5. Step 5: Solve for x
    x = 915,035,559,987.42/918,246.30
  6. Step 6: Final answer
    x = 996,503.40

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Similar ratio
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1.5x scale

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.