Home / 840,785.79-1,160,308.91-458,837.18

Finding the Fourth Proportional to 840,785.79, 1,160,308.91 and 458,837.18

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Solution

The fourth proportional to 840,785.79, 1,160,308.91 and 458,837.18 is: 633,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,785.79 : 1,160,308.91 = 458,837.18 : x
  2. Step 2: Convert to fraction form
    840,785.79/1,160,308.91 = 458,837.18/x
  3. Step 3: Cross multiply
    840,785.79x = 1,160,308.91 × 458,837.18
  4. Step 4: Simplify right side
    840,785.79x = 532,392,860,097.54
  5. Step 5: Solve for x
    x = 532,392,860,097.54/840,785.79
  6. Step 6: Final answer
    x = 633,208.68

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1.5x scale

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.