Home / 762,673.86-1,143,562.24-289,392.48

Finding the Fourth Proportional to 762,673.86, 1,143,562.24 and 289,392.48

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Solution

The fourth proportional to 762,673.86, 1,143,562.24 and 289,392.48 is: 433,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,673.86 : 1,143,562.24 = 289,392.48 : x
  2. Step 2: Convert to fraction form
    762,673.86/1,143,562.24 = 289,392.48/x
  3. Step 3: Cross multiply
    762,673.86x = 1,143,562.24 × 289,392.48
  4. Step 4: Simplify right side
    762,673.86x = 330,938,312,667.96
  5. Step 5: Solve for x
    x = 330,938,312,667.96/762,673.86
  6. Step 6: Final answer
    x = 433,918.52

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1.5x scale

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.