Home / 740,947.05-1,022,507.97-401,415.30

Finding the Fourth Proportional to 740,947.05, 1,022,507.97 and 401,415.30

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Solution

The fourth proportional to 740,947.05, 1,022,507.97 and 401,415.30 is: 553,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,947.05 : 1,022,507.97 = 401,415.30 : x
  2. Step 2: Convert to fraction form
    740,947.05/1,022,507.97 = 401,415.30/x
  3. Step 3: Cross multiply
    740,947.05x = 1,022,507.97 × 401,415.30
  4. Step 4: Simplify right side
    740,947.05x = 410,450,343,529.94
  5. Step 5: Solve for x
    x = 410,450,343,529.94/740,947.05
  6. Step 6: Final answer
    x = 553,953.68

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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.