Home / 648,113.20-970,857.60-367,302.40

Finding the Fourth Proportional to 648,113.20, 970,857.60 and 367,302.40

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Solution

The fourth proportional to 648,113.20, 970,857.60 and 367,302.40 is: 550,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,113.20 : 970,857.60 = 367,302.40 : x
  2. Step 2: Convert to fraction form
    648,113.20/970,857.60 = 367,302.40/x
  3. Step 3: Cross multiply
    648,113.20x = 970,857.60 × 367,302.40
  4. Step 4: Simplify right side
    648,113.20x = 356,598,326,538.24
  5. Step 5: Solve for x
    x = 356,598,326,538.24/648,113.20
  6. Step 6: Final answer
    x = 550,209.94

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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.