Home / 840,262.71-1,260,954.45-435,827.69

Finding the Fourth Proportional to 840,262.71, 1,260,954.45 and 435,827.69

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Solution

The fourth proportional to 840,262.71, 1,260,954.45 and 435,827.69 is: 654,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,262.71 : 1,260,954.45 = 435,827.69 : x
  2. Step 2: Convert to fraction form
    840,262.71/1,260,954.45 = 435,827.69/x
  3. Step 3: Cross multiply
    840,262.71x = 1,260,954.45 × 435,827.69
  4. Step 4: Simplify right side
    840,262.71x = 549,558,858,833.95
  5. Step 5: Solve for x
    x = 549,558,858,833.95/840,262.71
  6. Step 6: Final answer
    x = 654,032.19

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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.