Home / 805,664.70-1,207,114.65-384,032.70

Finding the Fourth Proportional to 805,664.70, 1,207,114.65 and 384,032.70

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Solution

The fourth proportional to 805,664.70, 1,207,114.65 and 384,032.70 is: 575,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,664.70 : 1,207,114.65 = 384,032.70 : x
  2. Step 2: Convert to fraction form
    805,664.70/1,207,114.65 = 384,032.70/x
  3. Step 3: Cross multiply
    805,664.70x = 1,207,114.65 × 384,032.70
  4. Step 4: Simplify right side
    805,664.70x = 463,571,498,249.06
  5. Step 5: Solve for x
    x = 463,571,498,249.06/805,664.70
  6. Step 6: Final answer
    x = 575,390.11

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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.