Home / 790,621.24-1,091,058.02-428,045.36

Finding the Fourth Proportional to 790,621.24, 1,091,058.02 and 428,045.36

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Solution

The fourth proportional to 790,621.24, 1,091,058.02 and 428,045.36 is: 590,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,621.24 : 1,091,058.02 = 428,045.36 : x
  2. Step 2: Convert to fraction form
    790,621.24/1,091,058.02 = 428,045.36/x
  3. Step 3: Cross multiply
    790,621.24x = 1,091,058.02 × 428,045.36
  4. Step 4: Simplify right side
    790,621.24x = 467,022,322,951.79
  5. Step 5: Solve for x
    x = 467,022,322,951.79/790,621.24
  6. Step 6: Final answer
    x = 590,702.98

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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.