Home / 947,898.28-1,308,096.42-518,178.28

Finding the Fourth Proportional to 947,898.28, 1,308,096.42 and 518,178.28

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Solution

The fourth proportional to 947,898.28, 1,308,096.42 and 518,178.28 is: 715,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,898.28 : 1,308,096.42 = 518,178.28 : x
  2. Step 2: Convert to fraction form
    947,898.28/1,308,096.42 = 518,178.28/x
  3. Step 3: Cross multiply
    947,898.28x = 1,308,096.42 × 518,178.28
  4. Step 4: Simplify right side
    947,898.28x = 677,827,152,989.76
  5. Step 5: Solve for x
    x = 677,827,152,989.76/947,898.28
  6. Step 6: Final answer
    x = 715,084.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.