Home / 712,009.56-1,068,118.02-213,412.44

Finding the Fourth Proportional to 712,009.56, 1,068,118.02 and 213,412.44

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Solution

The fourth proportional to 712,009.56, 1,068,118.02 and 213,412.44 is: 320,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,009.56 : 1,068,118.02 = 213,412.44 : x
  2. Step 2: Convert to fraction form
    712,009.56/1,068,118.02 = 213,412.44/x
  3. Step 3: Cross multiply
    712,009.56x = 1,068,118.02 × 213,412.44
  4. Step 4: Simplify right side
    712,009.56x = 227,949,672,856.17
  5. Step 5: Solve for x
    x = 227,949,672,856.17/712,009.56
  6. Step 6: Final answer
    x = 320,149.74

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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.