Home / 740,947.20-1,022,507.06-401,415.46

Finding the Fourth Proportional to 740,947.20, 1,022,507.06 and 401,415.46

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Solution

The fourth proportional to 740,947.20, 1,022,507.06 and 401,415.46 is: 553,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,947.20 : 1,022,507.06 = 401,415.46 : x
  2. Step 2: Convert to fraction form
    740,947.20/1,022,507.06 = 401,415.46/x
  3. Step 3: Cross multiply
    740,947.20x = 1,022,507.06 × 401,415.46
  4. Step 4: Simplify right side
    740,947.20x = 410,450,141,843.15
  5. Step 5: Solve for x
    x = 410,450,141,843.15/740,947.20
  6. Step 6: Final answer
    x = 553,953.29

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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.