Home / 803,864.54-1,109,292.32-477,191.51

Finding the Fourth Proportional to 803,864.54, 1,109,292.32 and 477,191.51

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Solution

The fourth proportional to 803,864.54, 1,109,292.32 and 477,191.51 is: 658,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,864.54 : 1,109,292.32 = 477,191.51 : x
  2. Step 2: Convert to fraction form
    803,864.54/1,109,292.32 = 477,191.51/x
  3. Step 3: Cross multiply
    803,864.54x = 1,109,292.32 × 477,191.51
  4. Step 4: Simplify right side
    803,864.54x = 529,344,874,826.25
  5. Step 5: Solve for x
    x = 529,344,874,826.25/803,864.54
  6. Step 6: Final answer
    x = 658,500.10

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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.