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Finding the Fourth Proportional to 563,100.60, 776,892.78 and 345,228.60

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Solution

The fourth proportional to 563,100.60, 776,892.78 and 345,228.60 is: 476,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,100.60 : 776,892.78 = 345,228.60 : x
  2. Step 2: Convert to fraction form
    563,100.60/776,892.78 = 345,228.60/x
  3. Step 3: Cross multiply
    563,100.60x = 776,892.78 × 345,228.60
  4. Step 4: Simplify right side
    563,100.60x = 268,205,606,789.51
  5. Step 5: Solve for x
    x = 268,205,606,789.51/563,100.60
  6. Step 6: Final answer
    x = 476,301.40

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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.