Home / 745,827.71-1,029,215.03-455,924.81

Finding the Fourth Proportional to 745,827.71, 1,029,215.03 and 455,924.81

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Solution

The fourth proportional to 745,827.71, 1,029,215.03 and 455,924.81 is: 629,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,827.71 : 1,029,215.03 = 455,924.81 : x
  2. Step 2: Convert to fraction form
    745,827.71/1,029,215.03 = 455,924.81/x
  3. Step 3: Cross multiply
    745,827.71x = 1,029,215.03 × 455,924.81
  4. Step 4: Simplify right side
    745,827.71x = 469,244,667,295.31
  5. Step 5: Solve for x
    x = 469,244,667,295.31/745,827.71
  6. Step 6: Final answer
    x = 629,159.60

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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.