Home / 563,947.25-778,251.04-309,300.26

Finding the Fourth Proportional to 563,947.25, 778,251.04 and 309,300.26

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Solution

The fourth proportional to 563,947.25, 778,251.04 and 309,300.26 is: 426,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,947.25 : 778,251.04 = 309,300.26 : x
  2. Step 2: Convert to fraction form
    563,947.25/778,251.04 = 309,300.26/x
  3. Step 3: Cross multiply
    563,947.25x = 778,251.04 × 309,300.26
  4. Step 4: Simplify right side
    563,947.25x = 240,713,244,352.77
  5. Step 5: Solve for x
    x = 240,713,244,352.77/563,947.25
  6. Step 6: Final answer
    x = 426,836.46

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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.