Home / 994,031.80-1,489,881.30-425,411.80

Finding the Fourth Proportional to 994,031.80, 1,489,881.30 and 425,411.80

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Solution

The fourth proportional to 994,031.80, 1,489,881.30 and 425,411.80 is: 637,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,031.80 : 1,489,881.30 = 425,411.80 : x
  2. Step 2: Convert to fraction form
    994,031.80/1,489,881.30 = 425,411.80/x
  3. Step 3: Cross multiply
    994,031.80x = 1,489,881.30 × 425,411.80
  4. Step 4: Simplify right side
    994,031.80x = 633,813,085,619.34
  5. Step 5: Solve for x
    x = 633,813,085,619.34/994,031.80
  6. Step 6: Final answer
    x = 637,618.52

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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.