Home / 692,150.02-1,038,218.91-218,835.70

Finding the Fourth Proportional to 692,150.02, 1,038,218.91 and 218,835.70

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Solution

The fourth proportional to 692,150.02, 1,038,218.91 and 218,835.70 is: 328,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,150.02 : 1,038,218.91 = 218,835.70 : x
  2. Step 2: Convert to fraction form
    692,150.02/1,038,218.91 = 218,835.70/x
  3. Step 3: Cross multiply
    692,150.02x = 1,038,218.91 × 218,835.70
  4. Step 4: Simplify right side
    692,150.02x = 227,199,361,923.09
  5. Step 5: Solve for x
    x = 227,199,361,923.09/692,150.02
  6. Step 6: Final answer
    x = 328,251.62

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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.