Home / 994,090.30-1,489,969.05-425,470.30

Finding the Fourth Proportional to 994,090.30, 1,489,969.05 and 425,470.30

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Solution

The fourth proportional to 994,090.30, 1,489,969.05 and 425,470.30 is: 637,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,090.30 : 1,489,969.05 = 425,470.30 : x
  2. Step 2: Convert to fraction form
    994,090.30/1,489,969.05 = 425,470.30/x
  3. Step 3: Cross multiply
    994,090.30x = 1,489,969.05 × 425,470.30
  4. Step 4: Simplify right side
    994,090.30x = 633,937,578,694.22
  5. Step 5: Solve for x
    x = 633,937,578,694.22/994,090.30
  6. Step 6: Final answer
    x = 637,706.23

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1.5x scale

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.