Home / 808,925.47-1,116,308.37-446,364.61

Finding the Fourth Proportional to 808,925.47, 1,116,308.37 and 446,364.61

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Solution

The fourth proportional to 808,925.47, 1,116,308.37 and 446,364.61 is: 615,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,925.47 : 1,116,308.37 = 446,364.61 : x
  2. Step 2: Convert to fraction form
    808,925.47/1,116,308.37 = 446,364.61/x
  3. Step 3: Cross multiply
    808,925.47x = 1,116,308.37 × 446,364.61
  4. Step 4: Simplify right side
    808,925.47x = 498,280,550,214.79
  5. Step 5: Solve for x
    x = 498,280,550,214.79/808,925.47
  6. Step 6: Final answer
    x = 615,978.32

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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.