Home / 904,988.71-1,356,824.89-424,969.16

Finding the Fourth Proportional to 904,988.71, 1,356,824.89 and 424,969.16

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Solution

The fourth proportional to 904,988.71, 1,356,824.89 and 424,969.16 is: 637,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,988.71 : 1,356,824.89 = 424,969.16 : x
  2. Step 2: Convert to fraction form
    904,988.71/1,356,824.89 = 424,969.16/x
  3. Step 3: Cross multiply
    904,988.71x = 1,356,824.89 × 424,969.16
  4. Step 4: Simplify right side
    904,988.71x = 576,608,738,224.88
  5. Step 5: Solve for x
    x = 576,608,738,224.88/904,988.71
  6. Step 6: Final answer
    x = 637,144.68

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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.