Home / 851,803.20-1,175,529.60-469,828.80

Finding the Fourth Proportional to 851,803.20, 1,175,529.60 and 469,828.80

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Solution

The fourth proportional to 851,803.20, 1,175,529.60 and 469,828.80 is: 648,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,803.20 : 1,175,529.60 = 469,828.80 : x
  2. Step 2: Convert to fraction form
    851,803.20/1,175,529.60 = 469,828.80/x
  3. Step 3: Cross multiply
    851,803.20x = 1,175,529.60 × 469,828.80
  4. Step 4: Simplify right side
    851,803.20x = 552,297,661,332.48
  5. Step 5: Solve for x
    x = 552,297,661,332.48/851,803.20
  6. Step 6: Final answer
    x = 648,386.46

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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.