Home / 678,777.84-1,018,166.22-173,338.92

Finding the Fourth Proportional to 678,777.84, 1,018,166.22 and 173,338.92

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Solution

The fourth proportional to 678,777.84, 1,018,166.22 and 173,338.92 is: 260,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,777.84 : 1,018,166.22 = 173,338.92 : x
  2. Step 2: Convert to fraction form
    678,777.84/1,018,166.22 = 173,338.92/x
  3. Step 3: Cross multiply
    678,777.84x = 1,018,166.22 × 173,338.92
  4. Step 4: Simplify right side
    678,777.84x = 176,487,832,955.28
  5. Step 5: Solve for x
    x = 176,487,832,955.28/678,777.84
  6. Step 6: Final answer
    x = 260,008.24

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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.