Home / 684,552.91-1,026,966.30-211,220.50

Finding the Fourth Proportional to 684,552.91, 1,026,966.30 and 211,220.50

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Solution

The fourth proportional to 684,552.91, 1,026,966.30 and 211,220.50 is: 316,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,552.91 : 1,026,966.30 = 211,220.50 : x
  2. Step 2: Convert to fraction form
    684,552.91/1,026,966.30 = 211,220.50/x
  3. Step 3: Cross multiply
    684,552.91x = 1,026,966.30 × 211,220.50
  4. Step 4: Simplify right side
    684,552.91x = 216,916,335,369.15
  5. Step 5: Solve for x
    x = 216,916,335,369.15/684,552.91
  6. Step 6: Final answer
    x = 316,873.00

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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.