Home / 762,132.81-1,051,858.49-435,514.56

Finding the Fourth Proportional to 762,132.81, 1,051,858.49 and 435,514.56

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Solution

The fourth proportional to 762,132.81, 1,051,858.49 and 435,514.56 is: 601,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,132.81 : 1,051,858.49 = 435,514.56 : x
  2. Step 2: Convert to fraction form
    762,132.81/1,051,858.49 = 435,514.56/x
  3. Step 3: Cross multiply
    762,132.81x = 1,051,858.49 × 435,514.56
  4. Step 4: Simplify right side
    762,132.81x = 458,099,685,277.04
  5. Step 5: Solve for x
    x = 458,099,685,277.04/762,132.81
  6. Step 6: Final answer
    x = 601,075.93

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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.