Home / 1,428,313.82-2,142,483.28-363,357

Finding the Fourth Proportional to 1,428,313.82, 2,142,483.28 and 363,357

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Solution

The fourth proportional to 1,428,313.82, 2,142,483.28 and 363,357 is: 545,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,313.82 : 2,142,483.28 = 363,357 : x
  2. Step 2: Convert to fraction form
    1,428,313.82/2,142,483.28 = 363,357/x
  3. Step 3: Cross multiply
    1,428,313.82x = 2,142,483.28 × 363,357
  4. Step 4: Simplify right side
    1,428,313.82x = 778,486,296,262.57
  5. Step 5: Solve for x
    x = 778,486,296,262.57/1,428,313.82
  6. Step 6: Final answer
    x = 545,038.69

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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.