Home / 763,339.14-1,053,366.93-423,785.52

Finding the Fourth Proportional to 763,339.14, 1,053,366.93 and 423,785.52

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Solution

The fourth proportional to 763,339.14, 1,053,366.93 and 423,785.52 is: 584,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,339.14 : 1,053,366.93 = 423,785.52 : x
  2. Step 2: Convert to fraction form
    763,339.14/1,053,366.93 = 423,785.52/x
  3. Step 3: Cross multiply
    763,339.14x = 1,053,366.93 × 423,785.52
  4. Step 4: Simplify right side
    763,339.14x = 446,401,652,180.85
  5. Step 5: Solve for x
    x = 446,401,652,180.85/763,339.14
  6. Step 6: Final answer
    x = 584,801.21

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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.