Home / 798,440.10-1,197,660.15-515,004.90

Finding the Fourth Proportional to 798,440.10, 1,197,660.15 and 515,004.90

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Solution

The fourth proportional to 798,440.10, 1,197,660.15 and 515,004.90 is: 772,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,440.10 : 1,197,660.15 = 515,004.90 : x
  2. Step 2: Convert to fraction form
    798,440.10/1,197,660.15 = 515,004.90/x
  3. Step 3: Cross multiply
    798,440.10x = 1,197,660.15 × 515,004.90
  4. Step 4: Simplify right side
    798,440.10x = 616,800,845,784.74
  5. Step 5: Solve for x
    x = 616,800,845,784.74/798,440.10
  6. Step 6: Final answer
    x = 772,507.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.