Home / 563,025.54-776,975.61-304,904.49

Finding the Fourth Proportional to 563,025.54, 776,975.61 and 304,904.49

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Solution

The fourth proportional to 563,025.54, 776,975.61 and 304,904.49 is: 420,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,025.54 : 776,975.61 = 304,904.49 : x
  2. Step 2: Convert to fraction form
    563,025.54/776,975.61 = 304,904.49/x
  3. Step 3: Cross multiply
    563,025.54x = 776,975.61 × 304,904.49
  4. Step 4: Simplify right side
    563,025.54x = 236,903,352,109.49
  5. Step 5: Solve for x
    x = 236,903,352,109.49/563,025.54
  6. Step 6: Final answer
    x = 420,768.39

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Half scale
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Double scale
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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.