Home / 719,511.56-1,079,079.34-213,936.40

Finding the Fourth Proportional to 719,511.56, 1,079,079.34 and 213,936.40

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Solution

The fourth proportional to 719,511.56, 1,079,079.34 and 213,936.40 is: 320,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,511.56 : 1,079,079.34 = 213,936.40 : x
  2. Step 2: Convert to fraction form
    719,511.56/1,079,079.34 = 213,936.40/x
  3. Step 3: Cross multiply
    719,511.56x = 1,079,079.34 × 213,936.40
  4. Step 4: Simplify right side
    719,511.56x = 230,854,349,313.98
  5. Step 5: Solve for x
    x = 230,854,349,313.98/719,511.56
  6. Step 6: Final answer
    x = 320,848.70

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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.