Home / 817,689.60-1,227,846.60-552,625.20

Finding the Fourth Proportional to 817,689.60, 1,227,846.60 and 552,625.20

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Solution

The fourth proportional to 817,689.60, 1,227,846.60 and 552,625.20 is: 829,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,689.60 : 1,227,846.60 = 552,625.20 : x
  2. Step 2: Convert to fraction form
    817,689.60/1,227,846.60 = 552,625.20/x
  3. Step 3: Cross multiply
    817,689.60x = 1,227,846.60 × 552,625.20
  4. Step 4: Simplify right side
    817,689.60x = 678,538,972,894.32
  5. Step 5: Solve for x
    x = 678,538,972,894.32/817,689.60
  6. Step 6: Final answer
    x = 829,824.63

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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.