Home / 809,513.04-1,117,098.56-446,929.28

Finding the Fourth Proportional to 809,513.04, 1,117,098.56 and 446,929.28

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Solution

The fourth proportional to 809,513.04, 1,117,098.56 and 446,929.28 is: 616,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,513.04 : 1,117,098.56 = 446,929.28 : x
  2. Step 2: Convert to fraction form
    809,513.04/1,117,098.56 = 446,929.28/x
  3. Step 3: Cross multiply
    809,513.04x = 1,117,098.56 × 446,929.28
  4. Step 4: Simplify right side
    809,513.04x = 499,264,055,109.84
  5. Step 5: Solve for x
    x = 499,264,055,109.84/809,513.04
  6. Step 6: Final answer
    x = 616,746.16

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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.