Home / 763,733.81-1,053,835.41-441,381.56

Finding the Fourth Proportional to 763,733.81, 1,053,835.41 and 441,381.56

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Solution

The fourth proportional to 763,733.81, 1,053,835.41 and 441,381.56 is: 609,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,733.81 : 1,053,835.41 = 441,381.56 : x
  2. Step 2: Convert to fraction form
    763,733.81/1,053,835.41 = 441,381.56/x
  3. Step 3: Cross multiply
    763,733.81x = 1,053,835.41 × 441,381.56
  4. Step 4: Simplify right side
    763,733.81x = 465,143,513,635.04
  5. Step 5: Solve for x
    x = 465,143,513,635.04/763,733.81
  6. Step 6: Final answer
    x = 609,038.79

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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.