Home / 771,222.61-1,064,279.79-444,415.56

Finding the Fourth Proportional to 771,222.61, 1,064,279.79 and 444,415.56

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Solution

The fourth proportional to 771,222.61, 1,064,279.79 and 444,415.56 is: 613,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,222.61 : 1,064,279.79 = 444,415.56 : x
  2. Step 2: Convert to fraction form
    771,222.61/1,064,279.79 = 444,415.56/x
  3. Step 3: Cross multiply
    771,222.61x = 1,064,279.79 × 444,415.56
  4. Step 4: Simplify right side
    771,222.61x = 472,982,493,548.13
  5. Step 5: Solve for x
    x = 472,982,493,548.13/771,222.61
  6. Step 6: Final answer
    x = 613,289.19

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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.