Home / 948,648.65-1,309,766.62-561,588.58

Finding the Fourth Proportional to 948,648.65, 1,309,766.62 and 561,588.58

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Solution

The fourth proportional to 948,648.65, 1,309,766.62 and 561,588.58 is: 775,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,648.65 : 1,309,766.62 = 561,588.58 : x
  2. Step 2: Convert to fraction form
    948,648.65/1,309,766.62 = 561,588.58/x
  3. Step 3: Cross multiply
    948,648.65x = 1,309,766.62 × 561,588.58
  4. Step 4: Simplify right side
    948,648.65x = 735,549,976,257.20
  5. Step 5: Solve for x
    x = 735,549,976,257.20/948,648.65
  6. Step 6: Final answer
    x = 775,366.07

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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.