Home / 915,964.34-1,264,035.38-508,037.81

Finding the Fourth Proportional to 915,964.34, 1,264,035.38 and 508,037.81

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Solution

The fourth proportional to 915,964.34, 1,264,035.38 and 508,037.81 is: 701,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,964.34 : 1,264,035.38 = 508,037.81 : x
  2. Step 2: Convert to fraction form
    915,964.34/1,264,035.38 = 508,037.81/x
  3. Step 3: Cross multiply
    915,964.34x = 1,264,035.38 × 508,037.81
  4. Step 4: Simplify right side
    915,964.34x = 642,177,757,357.35
  5. Step 5: Solve for x
    x = 642,177,757,357.35/915,964.34
  6. Step 6: Final answer
    x = 701,094.72

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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.