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Finding the Fourth Proportional to 808,673.16, 1,115,951.12 and 446,097.32

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Solution

The fourth proportional to 808,673.16, 1,115,951.12 and 446,097.32 is: 615,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,673.16 : 1,115,951.12 = 446,097.32 : x
  2. Step 2: Convert to fraction form
    808,673.16/1,115,951.12 = 446,097.32/x
  3. Step 3: Cross multiply
    808,673.16x = 1,115,951.12 × 446,097.32
  4. Step 4: Simplify right side
    808,673.16x = 497,822,803,883.00
  5. Step 5: Solve for x
    x = 497,822,803,883.00/808,673.16
  6. Step 6: Final answer
    x = 615,604.46

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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.