Home / 921,484.67-1,381,656.76-359,858.75

Finding the Fourth Proportional to 921,484.67, 1,381,656.76 and 359,858.75

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Solution

The fourth proportional to 921,484.67, 1,381,656.76 and 359,858.75 is: 539,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,484.67 : 1,381,656.76 = 359,858.75 : x
  2. Step 2: Convert to fraction form
    921,484.67/1,381,656.76 = 359,858.75/x
  3. Step 3: Cross multiply
    921,484.67x = 1,381,656.76 × 359,858.75
  4. Step 4: Simplify right side
    921,484.67x = 497,201,274,582.65
  5. Step 5: Solve for x
    x = 497,201,274,582.65/921,484.67
  6. Step 6: Final answer
    x = 539,565.43

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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.