Home / 709,321.08-1,061,485.20-443,206.92

Finding the Fourth Proportional to 709,321.08, 1,061,485.20 and 443,206.92

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Solution

The fourth proportional to 709,321.08, 1,061,485.20 and 443,206.92 is: 663,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,321.08 : 1,061,485.20 = 443,206.92 : x
  2. Step 2: Convert to fraction form
    709,321.08/1,061,485.20 = 443,206.92/x
  3. Step 3: Cross multiply
    709,321.08x = 1,061,485.20 × 443,206.92
  4. Step 4: Simplify right side
    709,321.08x = 470,457,586,117.58
  5. Step 5: Solve for x
    x = 470,457,586,117.58/709,321.08
  6. Step 6: Final answer
    x = 663,250.54

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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.