Home / 686,907.20-1,030,454.60-237,507.40

Finding the Fourth Proportional to 686,907.20, 1,030,454.60 and 237,507.40

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Solution

The fourth proportional to 686,907.20, 1,030,454.60 and 237,507.40 is: 356,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,907.20 : 1,030,454.60 = 237,507.40 : x
  2. Step 2: Convert to fraction form
    686,907.20/1,030,454.60 = 237,507.40/x
  3. Step 3: Cross multiply
    686,907.20x = 1,030,454.60 × 237,507.40
  4. Step 4: Simplify right side
    686,907.20x = 244,740,595,415.63
  5. Step 5: Solve for x
    x = 244,740,595,415.63/686,907.20
  6. Step 6: Final answer
    x = 356,293.54

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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.