Home / 791,033.13-1,091,623.05-428,456.07

Finding the Fourth Proportional to 791,033.13, 1,091,623.05 and 428,456.07

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Solution

The fourth proportional to 791,033.13, 1,091,623.05 and 428,456.07 is: 591,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,033.13 : 1,091,623.05 = 428,456.07 : x
  2. Step 2: Convert to fraction form
    791,033.13/1,091,623.05 = 428,456.07/x
  3. Step 3: Cross multiply
    791,033.13x = 1,091,623.05 × 428,456.07
  4. Step 4: Simplify right side
    791,033.13x = 467,712,521,924.41
  5. Step 5: Solve for x
    x = 467,712,521,924.41/791,033.13
  6. Step 6: Final answer
    x = 591,267.93

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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.