Home / 808,362.91-1,115,526.09-445,820.41

Finding the Fourth Proportional to 808,362.91, 1,115,526.09 and 445,820.41

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Solution

The fourth proportional to 808,362.91, 1,115,526.09 and 445,820.41 is: 615,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,362.91 : 1,115,526.09 = 445,820.41 : x
  2. Step 2: Convert to fraction form
    808,362.91/1,115,526.09 = 445,820.41/x
  3. Step 3: Cross multiply
    808,362.91x = 1,115,526.09 × 445,820.41
  4. Step 4: Simplify right side
    808,362.91x = 497,324,298,809.50
  5. Step 5: Solve for x
    x = 497,324,298,809.50/808,362.91
  6. Step 6: Final answer
    x = 615,224.04

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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.