Home / 730,059.20-1,094,570.40-280,606.40

Finding the Fourth Proportional to 730,059.20, 1,094,570.40 and 280,606.40

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Solution

The fourth proportional to 730,059.20, 1,094,570.40 and 280,606.40 is: 420,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,059.20 : 1,094,570.40 = 280,606.40 : x
  2. Step 2: Convert to fraction form
    730,059.20/1,094,570.40 = 280,606.40/x
  3. Step 3: Cross multiply
    730,059.20x = 1,094,570.40 × 280,606.40
  4. Step 4: Simplify right side
    730,059.20x = 307,143,459,490.56
  5. Step 5: Solve for x
    x = 307,143,459,490.56/730,059.20
  6. Step 6: Final answer
    x = 420,710.35

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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.