Home / 803,678.57-1,205,855.22-500,326.43

Finding the Fourth Proportional to 803,678.57, 1,205,855.22 and 500,326.43

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Solution

The fourth proportional to 803,678.57, 1,205,855.22 and 500,326.43 is: 750,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,678.57 : 1,205,855.22 = 500,326.43 : x
  2. Step 2: Convert to fraction form
    803,678.57/1,205,855.22 = 500,326.43/x
  3. Step 3: Cross multiply
    803,678.57x = 1,205,855.22 × 500,326.43
  4. Step 4: Simplify right side
    803,678.57x = 603,321,237,319.47
  5. Step 5: Solve for x
    x = 603,321,237,319.47/803,678.57
  6. Step 6: Final answer
    x = 750,699.67

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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.