Home / 766,696.83-1,058,048.86-422,545.17

Finding the Fourth Proportional to 766,696.83, 1,058,048.86 and 422,545.17

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Solution

The fourth proportional to 766,696.83, 1,058,048.86 and 422,545.17 is: 583,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,696.83 : 1,058,048.86 = 422,545.17 : x
  2. Step 2: Convert to fraction form
    766,696.83/1,058,048.86 = 422,545.17/x
  3. Step 3: Cross multiply
    766,696.83x = 1,058,048.86 × 422,545.17
  4. Step 4: Simplify right side
    766,696.83x = 447,073,435,417.01
  5. Step 5: Solve for x
    x = 447,073,435,417.01/766,696.83
  6. Step 6: Final answer
    x = 583,116.32

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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.