Home / 520,125.22-779,966.29-204,360.63

Finding the Fourth Proportional to 520,125.22, 779,966.29 and 204,360.63

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Solution

The fourth proportional to 520,125.22, 779,966.29 and 204,360.63 is: 306,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,125.22 : 779,966.29 = 204,360.63 : x
  2. Step 2: Convert to fraction form
    520,125.22/779,966.29 = 204,360.63/x
  3. Step 3: Cross multiply
    520,125.22x = 779,966.29 × 204,360.63
  4. Step 4: Simplify right side
    520,125.22x = 159,394,402,403.16
  5. Step 5: Solve for x
    x = 159,394,402,403.16/520,125.22
  6. Step 6: Final answer
    x = 306,453.90

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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.