Home / 567,306.02-782,868.83-309,191.12

Finding the Fourth Proportional to 567,306.02, 782,868.83 and 309,191.12

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Solution

The fourth proportional to 567,306.02, 782,868.83 and 309,191.12 is: 426,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,306.02 : 782,868.83 = 309,191.12 : x
  2. Step 2: Convert to fraction form
    567,306.02/782,868.83 = 309,191.12/x
  3. Step 3: Cross multiply
    567,306.02x = 782,868.83 × 309,191.12
  4. Step 4: Simplify right side
    567,306.02x = 242,056,087,836.25
  5. Step 5: Solve for x
    x = 242,056,087,836.25/567,306.02
  6. Step 6: Final answer
    x = 426,676.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.