Home / 674,009.47-1,011,516.35-494,558.60

Finding the Fourth Proportional to 674,009.47, 1,011,516.35 and 494,558.60

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Solution

The fourth proportional to 674,009.47, 1,011,516.35 and 494,558.60 is: 742,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,009.47 : 1,011,516.35 = 494,558.60 : x
  2. Step 2: Convert to fraction form
    674,009.47/1,011,516.35 = 494,558.60/x
  3. Step 3: Cross multiply
    674,009.47x = 1,011,516.35 × 494,558.60
  4. Step 4: Simplify right side
    674,009.47x = 500,254,107,081.22
  5. Step 5: Solve for x
    x = 500,254,107,081.22/674,009.47
  6. Step 6: Final answer
    x = 742,206.35

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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.