Home / 788,567.25-1,088,223.77-425,991.09

Finding the Fourth Proportional to 788,567.25, 1,088,223.77 and 425,991.09

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Solution

The fourth proportional to 788,567.25, 1,088,223.77 and 425,991.09 is: 587,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,567.25 : 1,088,223.77 = 425,991.09 : x
  2. Step 2: Convert to fraction form
    788,567.25/1,088,223.77 = 425,991.09/x
  3. Step 3: Cross multiply
    788,567.25x = 1,088,223.77 × 425,991.09
  4. Step 4: Simplify right side
    788,567.25x = 463,573,627,816.25
  5. Step 5: Solve for x
    x = 463,573,627,816.25/788,567.25
  6. Step 6: Final answer
    x = 587,868.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.