Home / 567,331.10-782,918.02-309,210.93

Finding the Fourth Proportional to 567,331.10, 782,918.02 and 309,210.93

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Solution

The fourth proportional to 567,331.10, 782,918.02 and 309,210.93 is: 426,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,331.10 : 782,918.02 = 309,210.93 : x
  2. Step 2: Convert to fraction form
    567,331.10/782,918.02 = 309,210.93/x
  3. Step 3: Cross multiply
    567,331.10x = 782,918.02 × 309,210.93
  4. Step 4: Simplify right side
    567,331.10x = 242,086,809,464.47
  5. Step 5: Solve for x
    x = 242,086,809,464.47/567,331.10
  6. Step 6: Final answer
    x = 426,711.69

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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.