Home / 845,430.60-1,166,663.38-463,449.18

Finding the Fourth Proportional to 845,430.60, 1,166,663.38 and 463,449.18

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Solution

The fourth proportional to 845,430.60, 1,166,663.38 and 463,449.18 is: 639,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,430.60 : 1,166,663.38 = 463,449.18 : x
  2. Step 2: Convert to fraction form
    845,430.60/1,166,663.38 = 463,449.18/x
  3. Step 3: Cross multiply
    845,430.60x = 1,166,663.38 × 463,449.18
  4. Step 4: Simplify right side
    845,430.60x = 540,689,186,797.03
  5. Step 5: Solve for x
    x = 540,689,186,797.03/845,430.60
  6. Step 6: Final answer
    x = 639,542.96

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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.