Home / 743,614.02-1,026,145.26-404,079.84

Finding the Fourth Proportional to 743,614.02, 1,026,145.26 and 404,079.84

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Solution

The fourth proportional to 743,614.02, 1,026,145.26 and 404,079.84 is: 557,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,614.02 : 1,026,145.26 = 404,079.84 : x
  2. Step 2: Convert to fraction form
    743,614.02/1,026,145.26 = 404,079.84/x
  3. Step 3: Cross multiply
    743,614.02x = 1,026,145.26 × 404,079.84
  4. Step 4: Simplify right side
    743,614.02x = 414,644,612,477.56
  5. Step 5: Solve for x
    x = 414,644,612,477.56/743,614.02
  6. Step 6: Final answer
    x = 557,607.31

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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.