Home / 928,172.55-1,392,392.34-352,007.94

Finding the Fourth Proportional to 928,172.55, 1,392,392.34 and 352,007.94

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Solution

The fourth proportional to 928,172.55, 1,392,392.34 and 352,007.94 is: 528,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,172.55 : 1,392,392.34 = 352,007.94 : x
  2. Step 2: Convert to fraction form
    928,172.55/1,392,392.34 = 352,007.94/x
  3. Step 3: Cross multiply
    928,172.55x = 1,392,392.34 × 352,007.94
  4. Step 4: Simplify right side
    928,172.55x = 490,133,159,275.18
  5. Step 5: Solve for x
    x = 490,133,159,275.18/928,172.55
  6. Step 6: Final answer
    x = 528,062.55

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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.