Home / 865,164.40-1,297,746.30-630,003.56

Finding the Fourth Proportional to 865,164.40, 1,297,746.30 and 630,003.56

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Solution

The fourth proportional to 865,164.40, 1,297,746.30 and 630,003.56 is: 945,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,164.40 : 1,297,746.30 = 630,003.56 : x
  2. Step 2: Convert to fraction form
    865,164.40/1,297,746.30 = 630,003.56/x
  3. Step 3: Cross multiply
    865,164.40x = 1,297,746.30 × 630,003.56
  4. Step 4: Simplify right side
    865,164.40x = 817,584,788,976.83
  5. Step 5: Solve for x
    x = 817,584,788,976.83/865,164.40
  6. Step 6: Final answer
    x = 945,005.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.