Home / 707,921.74-1,061,321.28-370,897.75

Finding the Fourth Proportional to 707,921.74, 1,061,321.28 and 370,897.75

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Solution

The fourth proportional to 707,921.74, 1,061,321.28 and 370,897.75 is: 556,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,921.74 : 1,061,321.28 = 370,897.75 : x
  2. Step 2: Convert to fraction form
    707,921.74/1,061,321.28 = 370,897.75/x
  3. Step 3: Cross multiply
    707,921.74x = 1,061,321.28 × 370,897.75
  4. Step 4: Simplify right side
    707,921.74x = 393,641,674,779.12
  5. Step 5: Solve for x
    x = 393,641,674,779.12/707,921.74
  6. Step 6: Final answer
    x = 556,052.53

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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.