Home / 899,955.39-1,242,065.31-551,303.85

Finding the Fourth Proportional to 899,955.39, 1,242,065.31 and 551,303.85

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Solution

The fourth proportional to 899,955.39, 1,242,065.31 and 551,303.85 is: 760,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,955.39 : 1,242,065.31 = 551,303.85 : x
  2. Step 2: Convert to fraction form
    899,955.39/1,242,065.31 = 551,303.85/x
  3. Step 3: Cross multiply
    899,955.39x = 1,242,065.31 × 551,303.85
  4. Step 4: Simplify right side
    899,955.39x = 684,755,389,944.80
  5. Step 5: Solve for x
    x = 684,755,389,944.80/899,955.39
  6. Step 6: Final answer
    x = 760,877.03

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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.