Home / 421,008.39-580,826.64-259,583.19

Finding the Fourth Proportional to 421,008.39, 580,826.64 and 259,583.19

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Solution

The fourth proportional to 421,008.39, 580,826.64 and 259,583.19 is: 358,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,008.39 : 580,826.64 = 259,583.19 : x
  2. Step 2: Convert to fraction form
    421,008.39/580,826.64 = 259,583.19/x
  3. Step 3: Cross multiply
    421,008.39x = 580,826.64 × 259,583.19
  4. Step 4: Simplify right side
    421,008.39x = 150,772,832,048.18
  5. Step 5: Solve for x
    x = 150,772,832,048.18/421,008.39
  6. Step 6: Final answer
    x = 358,123.11

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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.