Home / 803,575.28-1,109,097.96-463,997.36

Finding the Fourth Proportional to 803,575.28, 1,109,097.96 and 463,997.36

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Solution

The fourth proportional to 803,575.28, 1,109,097.96 and 463,997.36 is: 640,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,575.28 : 1,109,097.96 = 463,997.36 : x
  2. Step 2: Convert to fraction form
    803,575.28/1,109,097.96 = 463,997.36/x
  3. Step 3: Cross multiply
    803,575.28x = 1,109,097.96 × 463,997.36
  4. Step 4: Simplify right side
    803,575.28x = 514,618,525,421.39
  5. Step 5: Solve for x
    x = 514,618,525,421.39/803,575.28
  6. Step 6: Final answer
    x = 640,411.10

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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.