Home / 910,379.52-1,365,842.61-430,972.70

Finding the Fourth Proportional to 910,379.52, 1,365,842.61 and 430,972.70

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Solution

The fourth proportional to 910,379.52, 1,365,842.61 and 430,972.70 is: 646,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,379.52 : 1,365,842.61 = 430,972.70 : x
  2. Step 2: Convert to fraction form
    910,379.52/1,365,842.61 = 430,972.70/x
  3. Step 3: Cross multiply
    910,379.52x = 1,365,842.61 × 430,972.70
  4. Step 4: Simplify right side
    910,379.52x = 588,640,870,577.53
  5. Step 5: Solve for x
    x = 588,640,870,577.53/910,379.52
  6. Step 6: Final answer
    x = 646,588.44

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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.