Home / 791,117.40-1,091,719.50-464,425.16

Finding the Fourth Proportional to 791,117.40, 1,091,719.50 and 464,425.16

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Solution

The fourth proportional to 791,117.40, 1,091,719.50 and 464,425.16 is: 640,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,117.40 : 1,091,719.50 = 464,425.16 : x
  2. Step 2: Convert to fraction form
    791,117.40/1,091,719.50 = 464,425.16/x
  3. Step 3: Cross multiply
    791,117.40x = 1,091,719.50 × 464,425.16
  4. Step 4: Simplify right side
    791,117.40x = 507,021,998,004.02
  5. Step 5: Solve for x
    x = 507,021,998,004.02/791,117.40
  6. Step 6: Final answer
    x = 640,893.50

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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.