Home / 791,323.04-1,091,627.64-519,353.20

Finding the Fourth Proportional to 791,323.04, 1,091,627.64 and 519,353.20

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Solution

The fourth proportional to 791,323.04, 1,091,627.64 and 519,353.20 is: 716,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,323.04 : 1,091,627.64 = 519,353.20 : x
  2. Step 2: Convert to fraction form
    791,323.04/1,091,627.64 = 519,353.20/x
  3. Step 3: Cross multiply
    791,323.04x = 1,091,627.64 × 519,353.20
  4. Step 4: Simplify right side
    791,323.04x = 566,940,308,042.45
  5. Step 5: Solve for x
    x = 566,940,308,042.45/791,323.04
  6. Step 6: Final answer
    x = 716,446.10

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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.