Home / 808,564.54-1,115,799.51-445,980.61

Finding the Fourth Proportional to 808,564.54, 1,115,799.51 and 445,980.61

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Solution

The fourth proportional to 808,564.54, 1,115,799.51 and 445,980.61 is: 615,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,564.54 : 1,115,799.51 = 445,980.61 : x
  2. Step 2: Convert to fraction form
    808,564.54/1,115,799.51 = 445,980.61/x
  3. Step 3: Cross multiply
    808,564.54x = 1,115,799.51 × 445,980.61
  4. Step 4: Simplify right side
    808,564.54x = 497,624,946,107.50
  5. Step 5: Solve for x
    x = 497,624,946,107.50/808,564.54
  6. Step 6: Final answer
    x = 615,442.46

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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.