Home / 891,782.09-1,337,674.05-418,467.90

Finding the Fourth Proportional to 891,782.09, 1,337,674.05 and 418,467.90

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Solution

The fourth proportional to 891,782.09, 1,337,674.05 and 418,467.90 is: 627,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,782.09 : 1,337,674.05 = 418,467.90 : x
  2. Step 2: Convert to fraction form
    891,782.09/1,337,674.05 = 418,467.90/x
  3. Step 3: Cross multiply
    891,782.09x = 1,337,674.05 × 418,467.90
  4. Step 4: Simplify right side
    891,782.09x = 559,773,650,588.00
  5. Step 5: Solve for x
    x = 559,773,650,588.00/891,782.09
  6. Step 6: Final answer
    x = 627,702.28

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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.