Home / 878,799.98-1,212,727.92-496,826.88

Finding the Fourth Proportional to 878,799.98, 1,212,727.92 and 496,826.88

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Solution

The fourth proportional to 878,799.98, 1,212,727.92 and 496,826.88 is: 685,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,799.98 : 1,212,727.92 = 496,826.88 : x
  2. Step 2: Convert to fraction form
    878,799.98/1,212,727.92 = 496,826.88/x
  3. Step 3: Cross multiply
    878,799.98x = 1,212,727.92 × 496,826.88
  4. Step 4: Simplify right side
    878,799.98x = 602,515,828,782.49
  5. Step 5: Solve for x
    x = 602,515,828,782.49/878,799.98
  6. Step 6: Final answer
    x = 685,612.02

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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.