Home / 612,971.29-845,884.24-341,039.71

Finding the Fourth Proportional to 612,971.29, 845,884.24 and 341,039.71

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Solution

The fourth proportional to 612,971.29, 845,884.24 and 341,039.71 is: 470,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,971.29 : 845,884.24 = 341,039.71 : x
  2. Step 2: Convert to fraction form
    612,971.29/845,884.24 = 341,039.71/x
  3. Step 3: Cross multiply
    612,971.29x = 845,884.24 × 341,039.71
  4. Step 4: Simplify right side
    612,971.29x = 288,480,115,903.17
  5. Step 5: Solve for x
    x = 288,480,115,903.17/612,971.29
  6. Step 6: Final answer
    x = 470,625.82

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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.