Home / 790,708.98-1,091,173.80-428,125.35

Finding the Fourth Proportional to 790,708.98, 1,091,173.80 and 428,125.35

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Solution

The fourth proportional to 790,708.98, 1,091,173.80 and 428,125.35 is: 590,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,708.98 : 1,091,173.80 = 428,125.35 : x
  2. Step 2: Convert to fraction form
    790,708.98/1,091,173.80 = 428,125.35/x
  3. Step 3: Cross multiply
    790,708.98x = 1,091,173.80 × 428,125.35
  4. Step 4: Simplify right side
    790,708.98x = 467,159,165,035.83
  5. Step 5: Solve for x
    x = 467,159,165,035.83/790,708.98
  6. Step 6: Final answer
    x = 590,810.50

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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.