Home / 946,428.60-1,420,679.70-526,524.60

Finding the Fourth Proportional to 946,428.60, 1,420,679.70 and 526,524.60

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Solution

The fourth proportional to 946,428.60, 1,420,679.70 and 526,524.60 is: 790,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,428.60 : 1,420,679.70 = 526,524.60 : x
  2. Step 2: Convert to fraction form
    946,428.60/1,420,679.70 = 526,524.60/x
  3. Step 3: Cross multiply
    946,428.60x = 1,420,679.70 × 526,524.60
  4. Step 4: Simplify right side
    946,428.60x = 748,022,810,770.62
  5. Step 5: Solve for x
    x = 748,022,810,770.62/946,428.60
  6. Step 6: Final answer
    x = 790,363.70

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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.