Home / 646,072.29-969,324.23-286,194.24

Finding the Fourth Proportional to 646,072.29, 969,324.23 and 286,194.24

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Solution

The fourth proportional to 646,072.29, 969,324.23 and 286,194.24 is: 429,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,072.29 : 969,324.23 = 286,194.24 : x
  2. Step 2: Convert to fraction form
    646,072.29/969,324.23 = 286,194.24/x
  3. Step 3: Cross multiply
    646,072.29x = 969,324.23 × 286,194.24
  4. Step 4: Simplify right side
    646,072.29x = 277,415,009,887.46
  5. Step 5: Solve for x
    x = 277,415,009,887.46/646,072.29
  6. Step 6: Final answer
    x = 429,386.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.