Home / 802,601.32-1,107,702.66-496,775.80

Finding the Fourth Proportional to 802,601.32, 1,107,702.66 and 496,775.80

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Solution

The fourth proportional to 802,601.32, 1,107,702.66 and 496,775.80 is: 685,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,601.32 : 1,107,702.66 = 496,775.80 : x
  2. Step 2: Convert to fraction form
    802,601.32/1,107,702.66 = 496,775.80/x
  3. Step 3: Cross multiply
    802,601.32x = 1,107,702.66 × 496,775.80
  4. Step 4: Simplify right side
    802,601.32x = 550,279,875,083.63
  5. Step 5: Solve for x
    x = 550,279,875,083.63/802,601.32
  6. Step 6: Final answer
    x = 685,620.45

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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.