Home / 634,882.60-890,079.80-634,882.60

Finding the Fourth Proportional to 634,882.60, 890,079.80 and 634,882.60

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Solution

The fourth proportional to 634,882.60, 890,079.80 and 634,882.60 is: 890,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,882.60 : 890,079.80 = 634,882.60 : x
  2. Step 2: Convert to fraction form
    634,882.60/890,079.80 = 634,882.60/x
  3. Step 3: Cross multiply
    634,882.60x = 890,079.80 × 634,882.60
  4. Step 4: Simplify right side
    634,882.60x = 565,096,177,631.48
  5. Step 5: Solve for x
    x = 565,096,177,631.48/634,882.60
  6. Step 6: Final answer
    x = 890,079.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.