Home / 684,474.96-1,026,829.20-211,072.08

Finding the Fourth Proportional to 684,474.96, 1,026,829.20 and 211,072.08

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Solution

The fourth proportional to 684,474.96, 1,026,829.20 and 211,072.08 is: 316,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,474.96 : 1,026,829.20 = 211,072.08 : x
  2. Step 2: Convert to fraction form
    684,474.96/1,026,829.20 = 211,072.08/x
  3. Step 3: Cross multiply
    684,474.96x = 1,026,829.20 × 211,072.08
  4. Step 4: Simplify right side
    684,474.96x = 216,734,975,048.74
  5. Step 5: Solve for x
    x = 216,734,975,048.74/684,474.96
  6. Step 6: Final answer
    x = 316,644.13

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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.