Home / 921,483.67-1,381,655.26-359,857.75

Finding the Fourth Proportional to 921,483.67, 1,381,655.26 and 359,857.75

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Solution

The fourth proportional to 921,483.67, 1,381,655.26 and 359,857.75 is: 539,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,483.67 : 1,381,655.26 = 359,857.75 : x
  2. Step 2: Convert to fraction form
    921,483.67/1,381,655.26 = 359,857.75/x
  3. Step 3: Cross multiply
    921,483.67x = 1,381,655.26 × 359,857.75
  4. Step 4: Simplify right side
    921,483.67x = 497,199,353,139.27
  5. Step 5: Solve for x
    x = 497,199,353,139.27/921,483.67
  6. Step 6: Final answer
    x = 539,563.93

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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.