Home / 915,985.65-1,372,141.40-466,688.37

Finding the Fourth Proportional to 915,985.65, 1,372,141.40 and 466,688.37

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Solution

The fourth proportional to 915,985.65, 1,372,141.40 and 466,688.37 is: 699,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,985.65 : 1,372,141.40 = 466,688.37 : x
  2. Step 2: Convert to fraction form
    915,985.65/1,372,141.40 = 466,688.37/x
  3. Step 3: Cross multiply
    915,985.65x = 1,372,141.40 × 466,688.37
  4. Step 4: Simplify right side
    915,985.65x = 640,362,433,375.52
  5. Step 5: Solve for x
    x = 640,362,433,375.52/915,985.65
  6. Step 6: Final answer
    x = 699,096.58

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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.