Home / 567,457.02-783,091.78-309,336.08

Finding the Fourth Proportional to 567,457.02, 783,091.78 and 309,336.08

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Solution

The fourth proportional to 567,457.02, 783,091.78 and 309,336.08 is: 426,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,457.02 : 783,091.78 = 309,336.08 : x
  2. Step 2: Convert to fraction form
    567,457.02/783,091.78 = 309,336.08/x
  3. Step 3: Cross multiply
    567,457.02x = 783,091.78 × 309,336.08
  4. Step 4: Simplify right side
    567,457.02x = 242,238,541,505.42
  5. Step 5: Solve for x
    x = 242,238,541,505.42/567,457.02
  6. Step 6: Final answer
    x = 426,884.39

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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.