Home / 803,564.52-1,108,845.74-476,821.22

Finding the Fourth Proportional to 803,564.52, 1,108,845.74 and 476,821.22

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Solution

The fourth proportional to 803,564.52, 1,108,845.74 and 476,821.22 is: 657,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,564.52 : 1,108,845.74 = 476,821.22 : x
  2. Step 2: Convert to fraction form
    803,564.52/1,108,845.74 = 476,821.22/x
  3. Step 3: Cross multiply
    803,564.52x = 1,108,845.74 × 476,821.22
  4. Step 4: Simplify right side
    803,564.52x = 528,721,179,730.66
  5. Step 5: Solve for x
    x = 528,721,179,730.66/803,564.52
  6. Step 6: Final answer
    x = 657,969.79

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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.