Home / 763,220.32-1,053,191.26-423,661.84

Finding the Fourth Proportional to 763,220.32, 1,053,191.26 and 423,661.84

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Solution

The fourth proportional to 763,220.32, 1,053,191.26 and 423,661.84 is: 584,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,220.32 : 1,053,191.26 = 423,661.84 : x
  2. Step 2: Convert to fraction form
    763,220.32/1,053,191.26 = 423,661.84/x
  3. Step 3: Cross multiply
    763,220.32x = 1,053,191.26 × 423,661.84
  4. Step 4: Simplify right side
    763,220.32x = 446,196,947,083.52
  5. Step 5: Solve for x
    x = 446,196,947,083.52/763,220.32
  6. Step 6: Final answer
    x = 584,624.04

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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.