Home / 729,801.72-1,094,255.46-256,541.40

Finding the Fourth Proportional to 729,801.72, 1,094,255.46 and 256,541.40

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Solution

The fourth proportional to 729,801.72, 1,094,255.46 and 256,541.40 is: 384,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,801.72 : 1,094,255.46 = 256,541.40 : x
  2. Step 2: Convert to fraction form
    729,801.72/1,094,255.46 = 256,541.40/x
  3. Step 3: Cross multiply
    729,801.72x = 1,094,255.46 × 256,541.40
  4. Step 4: Simplify right side
    729,801.72x = 280,721,827,666.04
  5. Step 5: Solve for x
    x = 280,721,827,666.04/729,801.72
  6. Step 6: Final answer
    x = 384,654.93

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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.