Home / 840,782.88-1,160,304.84-458,834.22

Finding the Fourth Proportional to 840,782.88, 1,160,304.84 and 458,834.22

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Solution

The fourth proportional to 840,782.88, 1,160,304.84 and 458,834.22 is: 633,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,782.88 : 1,160,304.84 = 458,834.22 : x
  2. Step 2: Convert to fraction form
    840,782.88/1,160,304.84 = 458,834.22/x
  3. Step 3: Cross multiply
    840,782.88x = 1,160,304.84 × 458,834.22
  4. Step 4: Simplify right side
    840,782.88x = 532,387,566,223.63
  5. Step 5: Solve for x
    x = 532,387,566,223.63/840,782.88
  6. Step 6: Final answer
    x = 633,204.58

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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.