Home / 840,784.10-1,160,306.57-458,835.48

Finding the Fourth Proportional to 840,784.10, 1,160,306.57 and 458,835.48

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Solution

The fourth proportional to 840,784.10, 1,160,306.57 and 458,835.48 is: 633,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,784.10 : 1,160,306.57 = 458,835.48 : x
  2. Step 2: Convert to fraction form
    840,784.10/1,160,306.57 = 458,835.48/x
  3. Step 3: Cross multiply
    840,784.10x = 1,160,306.57 × 458,835.48
  4. Step 4: Simplify right side
    840,784.10x = 532,389,824,910.39
  5. Step 5: Solve for x
    x = 532,389,824,910.39/840,784.10
  6. Step 6: Final answer
    x = 633,206.34

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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.