Home / 678,679.04-1,018,002.16-173,244.21

Finding the Fourth Proportional to 678,679.04, 1,018,002.16 and 173,244.21

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Solution

The fourth proportional to 678,679.04, 1,018,002.16 and 173,244.21 is: 259,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,679.04 : 1,018,002.16 = 173,244.21 : x
  2. Step 2: Convert to fraction form
    678,679.04/1,018,002.16 = 173,244.21/x
  3. Step 3: Cross multiply
    678,679.04x = 1,018,002.16 × 173,244.21
  4. Step 4: Simplify right side
    678,679.04x = 176,362,979,987.49
  5. Step 5: Solve for x
    x = 176,362,979,987.49/678,679.04
  6. Step 6: Final answer
    x = 259,862.13

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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.