Home / 762,690.69-1,052,252.46-435,769.13

Finding the Fourth Proportional to 762,690.69, 1,052,252.46 and 435,769.13

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Solution

The fourth proportional to 762,690.69, 1,052,252.46 and 435,769.13 is: 601,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,690.69 : 1,052,252.46 = 435,769.13 : x
  2. Step 2: Convert to fraction form
    762,690.69/1,052,252.46 = 435,769.13/x
  3. Step 3: Cross multiply
    762,690.69x = 1,052,252.46 × 435,769.13
  4. Step 4: Simplify right side
    762,690.69x = 458,539,139,034.56
  5. Step 5: Solve for x
    x = 458,539,139,034.56/762,690.69
  6. Step 6: Final answer
    x = 601,212.45

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1.5x scale

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.