Home / 790,702.98-1,091,165.52-428,119.35

Finding the Fourth Proportional to 790,702.98, 1,091,165.52 and 428,119.35

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Solution

The fourth proportional to 790,702.98, 1,091,165.52 and 428,119.35 is: 590,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,702.98 : 1,091,165.52 = 428,119.35 : x
  2. Step 2: Convert to fraction form
    790,702.98/1,091,165.52 = 428,119.35/x
  3. Step 3: Cross multiply
    790,702.98x = 1,091,165.52 × 428,119.35
  4. Step 4: Simplify right side
    790,702.98x = 467,149,073,164.81
  5. Step 5: Solve for x
    x = 467,149,073,164.81/790,702.98
  6. Step 6: Final answer
    x = 590,802.22

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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.