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Finding the Fourth Proportional to 610,696.13, 915,110.01 and 326,427.12

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Solution

The fourth proportional to 610,696.13, 915,110.01 and 326,427.12 is: 489,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,696.13 : 915,110.01 = 326,427.12 : x
  2. Step 2: Convert to fraction form
    610,696.13/915,110.01 = 326,427.12/x
  3. Step 3: Cross multiply
    610,696.13x = 915,110.01 × 326,427.12
  4. Step 4: Simplify right side
    610,696.13x = 298,716,725,047.47
  5. Step 5: Solve for x
    x = 298,716,725,047.47/610,696.13
  6. Step 6: Final answer
    x = 489,141.35

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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.