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Finding the Fourth Proportional to 601,959.80, 830,789.06 and 372,590.28

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Solution

The fourth proportional to 601,959.80, 830,789.06 and 372,590.28 is: 514,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,959.80 : 830,789.06 = 372,590.28 : x
  2. Step 2: Convert to fraction form
    601,959.80/830,789.06 = 372,590.28/x
  3. Step 3: Cross multiply
    601,959.80x = 830,789.06 × 372,590.28
  4. Step 4: Simplify right side
    601,959.80x = 309,543,926,623.39
  5. Step 5: Solve for x
    x = 309,543,926,623.39/601,959.80
  6. Step 6: Final answer
    x = 514,226.91

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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.