Home / 709,302.83-979,194.83-451,439.33

Finding the Fourth Proportional to 709,302.83, 979,194.83 and 451,439.33

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Solution

The fourth proportional to 709,302.83, 979,194.83 and 451,439.33 is: 623,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,302.83 : 979,194.83 = 451,439.33 : x
  2. Step 2: Convert to fraction form
    709,302.83/979,194.83 = 451,439.33/x
  3. Step 3: Cross multiply
    709,302.83x = 979,194.83 × 451,439.33
  4. Step 4: Simplify right side
    709,302.83x = 442,047,050,841.49
  5. Step 5: Solve for x
    x = 442,047,050,841.49/709,302.83
  6. Step 6: Final answer
    x = 623,213.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.