Home / 840,480.93-1,159,866.41-458,515.71

Finding the Fourth Proportional to 840,480.93, 1,159,866.41 and 458,515.71

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Solution

The fourth proportional to 840,480.93, 1,159,866.41 and 458,515.71 is: 632,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,480.93 : 1,159,866.41 = 458,515.71 : x
  2. Step 2: Convert to fraction form
    840,480.93/1,159,866.41 = 458,515.71/x
  3. Step 3: Cross multiply
    840,480.93x = 1,159,866.41 × 458,515.71
  4. Step 4: Simplify right side
    840,480.93x = 531,816,968,193.72
  5. Step 5: Solve for x
    x = 531,816,968,193.72/840,480.93
  6. Step 6: Final answer
    x = 632,753.16

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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.