Home / 985,732.80-1,360,319.40-544,221.60

Finding the Fourth Proportional to 985,732.80, 1,360,319.40 and 544,221.60

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Solution

The fourth proportional to 985,732.80, 1,360,319.40 and 544,221.60 is: 751,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,732.80 : 1,360,319.40 = 544,221.60 : x
  2. Step 2: Convert to fraction form
    985,732.80/1,360,319.40 = 544,221.60/x
  3. Step 3: Cross multiply
    985,732.80x = 1,360,319.40 × 544,221.60
  4. Step 4: Simplify right side
    985,732.80x = 740,315,200,379.04
  5. Step 5: Solve for x
    x = 740,315,200,379.04/985,732.80
  6. Step 6: Final answer
    x = 751,030.30

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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.