Home / 692,151.02-1,038,220.41-218,836.70

Finding the Fourth Proportional to 692,151.02, 1,038,220.41 and 218,836.70

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Solution

The fourth proportional to 692,151.02, 1,038,220.41 and 218,836.70 is: 328,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,151.02 : 1,038,220.41 = 218,836.70 : x
  2. Step 2: Convert to fraction form
    692,151.02/1,038,220.41 = 218,836.70/x
  3. Step 3: Cross multiply
    692,151.02x = 1,038,220.41 × 218,836.70
  4. Step 4: Simplify right side
    692,151.02x = 227,200,728,397.05
  5. Step 5: Solve for x
    x = 227,200,728,397.05/692,151.02
  6. Step 6: Final answer
    x = 328,253.12

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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.