Home / 845,303.64-1,166,638.62-523,117.50

Finding the Fourth Proportional to 845,303.64, 1,166,638.62 and 523,117.50

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Solution

The fourth proportional to 845,303.64, 1,166,638.62 and 523,117.50 is: 721,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,303.64 : 1,166,638.62 = 523,117.50 : x
  2. Step 2: Convert to fraction form
    845,303.64/1,166,638.62 = 523,117.50/x
  3. Step 3: Cross multiply
    845,303.64x = 1,166,638.62 × 523,117.50
  4. Step 4: Simplify right side
    845,303.64x = 610,289,078,297.85
  5. Step 5: Solve for x
    x = 610,289,078,297.85/845,303.64
  6. Step 6: Final answer
    x = 721,976.16

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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.