Home / 948,519.52-1,309,004.85-561,557.00

Finding the Fourth Proportional to 948,519.52, 1,309,004.85 and 561,557.00

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Solution

The fourth proportional to 948,519.52, 1,309,004.85 and 561,557.00 is: 774,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,519.52 : 1,309,004.85 = 561,557.00 : x
  2. Step 2: Convert to fraction form
    948,519.52/1,309,004.85 = 561,557.00/x
  3. Step 3: Cross multiply
    948,519.52x = 1,309,004.85 × 561,557.00
  4. Step 4: Simplify right side
    948,519.52x = 735,080,841,929.80
  5. Step 5: Solve for x
    x = 735,080,841,929.80/948,519.52
  6. Step 6: Final answer
    x = 774,977.03

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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.