Home / 994,615.90-1,490,939.70-488,762.80

Finding the Fourth Proportional to 994,615.90, 1,490,939.70 and 488,762.80

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Solution

The fourth proportional to 994,615.90, 1,490,939.70 and 488,762.80 is: 732,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,615.90 : 1,490,939.70 = 488,762.80 : x
  2. Step 2: Convert to fraction form
    994,615.90/1,490,939.70 = 488,762.80/x
  3. Step 3: Cross multiply
    994,615.90x = 1,490,939.70 × 488,762.80
  4. Step 4: Simplify right side
    994,615.90x = 728,715,862,403.16
  5. Step 5: Solve for x
    x = 728,715,862,403.16/994,615.90
  6. Step 6: Final answer
    x = 732,660.58

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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.