Home / 815,316.50-1,125,140.30-452,739.24

Finding the Fourth Proportional to 815,316.50, 1,125,140.30 and 452,739.24

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Solution

The fourth proportional to 815,316.50, 1,125,140.30 and 452,739.24 is: 624,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,316.50 : 1,125,140.30 = 452,739.24 : x
  2. Step 2: Convert to fraction form
    815,316.50/1,125,140.30 = 452,739.24/x
  3. Step 3: Cross multiply
    815,316.50x = 1,125,140.30 × 452,739.24
  4. Step 4: Simplify right side
    815,316.50x = 509,395,162,051.68
  5. Step 5: Solve for x
    x = 509,395,162,051.68/815,316.50
  6. Step 6: Final answer
    x = 624,782.11

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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.