Home / 751,409.40-1,127,114.10-658,097.40

Finding the Fourth Proportional to 751,409.40, 1,127,114.10 and 658,097.40

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Solution

The fourth proportional to 751,409.40, 1,127,114.10 and 658,097.40 is: 987,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,409.40 : 1,127,114.10 = 658,097.40 : x
  2. Step 2: Convert to fraction form
    751,409.40/1,127,114.10 = 658,097.40/x
  3. Step 3: Cross multiply
    751,409.40x = 1,127,114.10 × 658,097.40
  4. Step 4: Simplify right side
    751,409.40x = 741,750,858,713.34
  5. Step 5: Solve for x
    x = 741,750,858,713.34/751,409.40
  6. Step 6: Final answer
    x = 987,146.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.