Home / 763,725.65-1,053,824.22-441,373.49

Finding the Fourth Proportional to 763,725.65, 1,053,824.22 and 441,373.49

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Solution

The fourth proportional to 763,725.65, 1,053,824.22 and 441,373.49 is: 609,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,725.65 : 1,053,824.22 = 441,373.49 : x
  2. Step 2: Convert to fraction form
    763,725.65/1,053,824.22 = 441,373.49/x
  3. Step 3: Cross multiply
    763,725.65x = 1,053,824.22 × 441,373.49
  4. Step 4: Simplify right side
    763,725.65x = 465,130,068,558.81
  5. Step 5: Solve for x
    x = 465,130,068,558.81/763,725.65
  6. Step 6: Final answer
    x = 609,027.69

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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.