Home / 421,017.06-580,996.76-230,026.36

Finding the Fourth Proportional to 421,017.06, 580,996.76 and 230,026.36

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Solution

The fourth proportional to 421,017.06, 580,996.76 and 230,026.36 is: 317,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,017.06 : 580,996.76 = 230,026.36 : x
  2. Step 2: Convert to fraction form
    421,017.06/580,996.76 = 230,026.36/x
  3. Step 3: Cross multiply
    421,017.06x = 580,996.76 × 230,026.36
  4. Step 4: Simplify right side
    421,017.06x = 133,644,569,874.59
  5. Step 5: Solve for x
    x = 133,644,569,874.59/421,017.06
  6. Step 6: Final answer
    x = 317,432.67

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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.