Home / 808,272.37-1,115,392.01-445,696.14

Finding the Fourth Proportional to 808,272.37, 1,115,392.01 and 445,696.14

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Solution

The fourth proportional to 808,272.37, 1,115,392.01 and 445,696.14 is: 615,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,272.37 : 1,115,392.01 = 445,696.14 : x
  2. Step 2: Convert to fraction form
    808,272.37/1,115,392.01 = 445,696.14/x
  3. Step 3: Cross multiply
    808,272.37x = 1,115,392.01 × 445,696.14
  4. Step 4: Simplify right side
    808,272.37x = 497,125,913,443.84
  5. Step 5: Solve for x
    x = 497,125,913,443.84/808,272.37
  6. Step 6: Final answer
    x = 615,047.52

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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.