Home / 826,401.40-1,237,236.90-508,719.40

Finding the Fourth Proportional to 826,401.40, 1,237,236.90 and 508,719.40

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Solution

The fourth proportional to 826,401.40, 1,237,236.90 and 508,719.40 is: 761,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,401.40 : 1,237,236.90 = 508,719.40 : x
  2. Step 2: Convert to fraction form
    826,401.40/1,237,236.90 = 508,719.40/x
  3. Step 3: Cross multiply
    826,401.40x = 1,237,236.90 × 508,719.40
  4. Step 4: Simplify right side
    826,401.40x = 629,406,413,425.86
  5. Step 5: Solve for x
    x = 629,406,413,425.86/826,401.40
  6. Step 6: Final answer
    x = 761,623.12

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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.