Home / 776,348.31-1,071,349.70-436,815.75

Finding the Fourth Proportional to 776,348.31, 1,071,349.70 and 436,815.75

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Solution

The fourth proportional to 776,348.31, 1,071,349.70 and 436,815.75 is: 602,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,348.31 : 1,071,349.70 = 436,815.75 : x
  2. Step 2: Convert to fraction form
    776,348.31/1,071,349.70 = 436,815.75/x
  3. Step 3: Cross multiply
    776,348.31x = 1,071,349.70 × 436,815.75
  4. Step 4: Simplify right side
    776,348.31x = 467,982,420,533.70
  5. Step 5: Solve for x
    x = 467,982,420,533.70/776,348.31
  6. Step 6: Final answer
    x = 602,799.56

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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.