Home / 930,681.86-1,396,028.19-331,666.07

Finding the Fourth Proportional to 930,681.86, 1,396,028.19 and 331,666.07

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Solution

The fourth proportional to 930,681.86, 1,396,028.19 and 331,666.07 is: 497,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,681.86 : 1,396,028.19 = 331,666.07 : x
  2. Step 2: Convert to fraction form
    930,681.86/1,396,028.19 = 331,666.07/x
  3. Step 3: Cross multiply
    930,681.86x = 1,396,028.19 × 331,666.07
  4. Step 4: Simplify right side
    930,681.86x = 463,015,183,386.51
  5. Step 5: Solve for x
    x = 463,015,183,386.51/930,681.86
  6. Step 6: Final answer
    x = 497,501.03

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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.