Home / 808,907.76-1,116,316.05-446,354.97

Finding the Fourth Proportional to 808,907.76, 1,116,316.05 and 446,354.97

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Solution

The fourth proportional to 808,907.76, 1,116,316.05 and 446,354.97 is: 615,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,907.76 : 1,116,316.05 = 446,354.97 : x
  2. Step 2: Convert to fraction form
    808,907.76/1,116,316.05 = 446,354.97/x
  3. Step 3: Cross multiply
    808,907.76x = 1,116,316.05 × 446,354.97
  4. Step 4: Simplify right side
    808,907.76x = 498,273,217,008.27
  5. Step 5: Solve for x
    x = 498,273,217,008.27/808,907.76
  6. Step 6: Final answer
    x = 615,982.74

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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.