Home / 740,976.71-1,022,548.86-401,444.96

Finding the Fourth Proportional to 740,976.71, 1,022,548.86 and 401,444.96

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Solution

The fourth proportional to 740,976.71, 1,022,548.86 and 401,444.96 is: 553,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,976.71 : 1,022,548.86 = 401,444.96 : x
  2. Step 2: Convert to fraction form
    740,976.71/1,022,548.86 = 401,444.96/x
  3. Step 3: Cross multiply
    740,976.71x = 1,022,548.86 × 401,444.96
  4. Step 4: Simplify right side
    740,976.71x = 410,497,081,088.00
  5. Step 5: Solve for x
    x = 410,497,081,088.00/740,976.71
  6. Step 6: Final answer
    x = 553,994.58

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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.