Home / 808,938.72-1,116,334.56-446,362.47

Finding the Fourth Proportional to 808,938.72, 1,116,334.56 and 446,362.47

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Solution

The fourth proportional to 808,938.72, 1,116,334.56 and 446,362.47 is: 615,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,938.72 : 1,116,334.56 = 446,362.47 : x
  2. Step 2: Convert to fraction form
    808,938.72/1,116,334.56 = 446,362.47/x
  3. Step 3: Cross multiply
    808,938.72x = 1,116,334.56 × 446,362.47
  4. Step 4: Simplify right side
    808,938.72x = 498,289,851,547.96
  5. Step 5: Solve for x
    x = 498,289,851,547.96/808,938.72
  6. Step 6: Final answer
    x = 615,979.73

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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.