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Finding the Fourth Proportional to 808,602.18, 1,115,878.79 and 446,041.32

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Solution

The fourth proportional to 808,602.18, 1,115,878.79 and 446,041.32 is: 615,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,602.18 : 1,115,878.79 = 446,041.32 : x
  2. Step 2: Convert to fraction form
    808,602.18/1,115,878.79 = 446,041.32/x
  3. Step 3: Cross multiply
    808,602.18x = 1,115,878.79 × 446,041.32
  4. Step 4: Simplify right side
    808,602.18x = 497,728,048,451.60
  5. Step 5: Solve for x
    x = 497,728,048,451.60/808,602.18
  6. Step 6: Final answer
    x = 615,541.31

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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.