Home / 803,891.61-1,109,328.66-477,218.21

Finding the Fourth Proportional to 803,891.61, 1,109,328.66 and 477,218.21

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Solution

The fourth proportional to 803,891.61, 1,109,328.66 and 477,218.21 is: 658,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,891.61 : 1,109,328.66 = 477,218.21 : x
  2. Step 2: Convert to fraction form
    803,891.61/1,109,328.66 = 477,218.21/x
  3. Step 3: Cross multiply
    803,891.61x = 1,109,328.66 × 477,218.21
  4. Step 4: Simplify right side
    803,891.61x = 529,391,831,880.26
  5. Step 5: Solve for x
    x = 529,391,831,880.26/803,891.61
  6. Step 6: Final answer
    x = 658,536.33

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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.