Home / 738,672.76-1,108,206.66-265,362.28

Finding the Fourth Proportional to 738,672.76, 1,108,206.66 and 265,362.28

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Solution

The fourth proportional to 738,672.76, 1,108,206.66 and 265,362.28 is: 398,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,672.76 : 1,108,206.66 = 265,362.28 : x
  2. Step 2: Convert to fraction form
    738,672.76/1,108,206.66 = 265,362.28/x
  3. Step 3: Cross multiply
    738,672.76x = 1,108,206.66 × 265,362.28
  4. Step 4: Simplify right side
    738,672.76x = 294,076,246,008.79
  5. Step 5: Solve for x
    x = 294,076,246,008.79/738,672.76
  6. Step 6: Final answer
    x = 398,114.38

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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.