Home / 684,601.80-1,026,999.90-211,237.80

Finding the Fourth Proportional to 684,601.80, 1,026,999.90 and 211,237.80

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Solution

The fourth proportional to 684,601.80, 1,026,999.90 and 211,237.80 is: 316,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,601.80 : 1,026,999.90 = 211,237.80 : x
  2. Step 2: Convert to fraction form
    684,601.80/1,026,999.90 = 211,237.80/x
  3. Step 3: Cross multiply
    684,601.80x = 1,026,999.90 × 211,237.80
  4. Step 4: Simplify right side
    684,601.80x = 216,941,199,476.22
  5. Step 5: Solve for x
    x = 216,941,199,476.22/684,601.80
  6. Step 6: Final answer
    x = 316,886.69

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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.