Home / 762,290.55-1,141,911.36-458,516.93

Finding the Fourth Proportional to 762,290.55, 1,141,911.36 and 458,516.93

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Solution

The fourth proportional to 762,290.55, 1,141,911.36 and 458,516.93 is: 686,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,290.55 : 1,141,911.36 = 458,516.93 : x
  2. Step 2: Convert to fraction form
    762,290.55/1,141,911.36 = 458,516.93/x
  3. Step 3: Cross multiply
    762,290.55x = 1,141,911.36 × 458,516.93
  4. Step 4: Simplify right side
    762,290.55x = 523,585,685,409.77
  5. Step 5: Solve for x
    x = 523,585,685,409.77/762,290.55
  6. Step 6: Final answer
    x = 686,858.42

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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.