Home / 797,719.10-1,098,612.87-780,300.86

Finding the Fourth Proportional to 797,719.10, 1,098,612.87 and 780,300.86

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Solution

The fourth proportional to 797,719.10, 1,098,612.87 and 780,300.86 is: 1,074,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,719.10 : 1,098,612.87 = 780,300.86 : x
  2. Step 2: Convert to fraction form
    797,719.10/1,098,612.87 = 780,300.86/x
  3. Step 3: Cross multiply
    797,719.10x = 1,098,612.87 × 780,300.86
  4. Step 4: Simplify right side
    797,719.10x = 857,248,567,268.07
  5. Step 5: Solve for x
    x = 857,248,567,268.07/797,719.10
  6. Step 6: Final answer
    x = 1,074,624.60

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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.