Home / 684,017.88-1,025,978.16-210,653.88

Finding the Fourth Proportional to 684,017.88, 1,025,978.16 and 210,653.88

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Solution

The fourth proportional to 684,017.88, 1,025,978.16 and 210,653.88 is: 315,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,017.88 : 1,025,978.16 = 210,653.88 : x
  2. Step 2: Convert to fraction form
    684,017.88/1,025,978.16 = 210,653.88/x
  3. Step 3: Cross multiply
    684,017.88x = 1,025,978.16 × 210,653.88
  4. Step 4: Simplify right side
    684,017.88x = 216,126,280,199.26
  5. Step 5: Solve for x
    x = 216,126,280,199.26/684,017.88
  6. Step 6: Final answer
    x = 315,965.83

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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.