Home / 683,488.51-943,222.06-377,558.55

Finding the Fourth Proportional to 683,488.51, 943,222.06 and 377,558.55

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Solution

The fourth proportional to 683,488.51, 943,222.06 and 377,558.55 is: 521,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,488.51 : 943,222.06 = 377,558.55 : x
  2. Step 2: Convert to fraction form
    683,488.51/943,222.06 = 377,558.55/x
  3. Step 3: Cross multiply
    683,488.51x = 943,222.06 × 377,558.55
  4. Step 4: Simplify right side
    683,488.51x = 356,121,551,649.79
  5. Step 5: Solve for x
    x = 356,121,551,649.79/683,488.51
  6. Step 6: Final answer
    x = 521,035.17

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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.