Home / 774,078.29-1,068,229.11-434,548.97

Finding the Fourth Proportional to 774,078.29, 1,068,229.11 and 434,548.97

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Solution

The fourth proportional to 774,078.29, 1,068,229.11 and 434,548.97 is: 599,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,078.29 : 1,068,229.11 = 434,548.97 : x
  2. Step 2: Convert to fraction form
    774,078.29/1,068,229.11 = 434,548.97/x
  3. Step 3: Cross multiply
    774,078.29x = 1,068,229.11 × 434,548.97
  4. Step 4: Simplify right side
    774,078.29x = 464,197,854,133.37
  5. Step 5: Solve for x
    x = 464,197,854,133.37/774,078.29
  6. Step 6: Final answer
    x = 599,678.18

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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.