Home / 684,087.81-1,026,353.21-329,055.63

Finding the Fourth Proportional to 684,087.81, 1,026,353.21 and 329,055.63

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Solution

The fourth proportional to 684,087.81, 1,026,353.21 and 329,055.63 is: 493,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,087.81 : 1,026,353.21 = 329,055.63 : x
  2. Step 2: Convert to fraction form
    684,087.81/1,026,353.21 = 329,055.63/x
  3. Step 3: Cross multiply
    684,087.81x = 1,026,353.21 × 329,055.63
  4. Step 4: Simplify right side
    684,087.81x = 337,727,300,473.79
  5. Step 5: Solve for x
    x = 337,727,300,473.79/684,087.81
  6. Step 6: Final answer
    x = 493,689.98

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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.