Home / 684,304.66-1,026,391.02-210,862.90

Finding the Fourth Proportional to 684,304.66, 1,026,391.02 and 210,862.90

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Solution

The fourth proportional to 684,304.66, 1,026,391.02 and 210,862.90 is: 316,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,304.66 : 1,026,391.02 = 210,862.90 : x
  2. Step 2: Convert to fraction form
    684,304.66/1,026,391.02 = 210,862.90/x
  3. Step 3: Cross multiply
    684,304.66x = 1,026,391.02 × 210,862.90
  4. Step 4: Simplify right side
    684,304.66x = 216,427,787,011.16
  5. Step 5: Solve for x
    x = 216,427,787,011.16/684,304.66
  6. Step 6: Final answer
    x = 316,274.02

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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.