Home / 771,641.39-1,064,764.13-444,966.46

Finding the Fourth Proportional to 771,641.39, 1,064,764.13 and 444,966.46

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Solution

The fourth proportional to 771,641.39, 1,064,764.13 and 444,966.46 is: 613,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,641.39 : 1,064,764.13 = 444,966.46 : x
  2. Step 2: Convert to fraction form
    771,641.39/1,064,764.13 = 444,966.46/x
  3. Step 3: Cross multiply
    771,641.39x = 1,064,764.13 × 444,966.46
  4. Step 4: Simplify right side
    771,641.39x = 473,784,324,548.66
  5. Step 5: Solve for x
    x = 473,784,324,548.66/771,641.39
  6. Step 6: Final answer
    x = 613,995.48

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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.