Home / 789,345.88-1,089,795.40-547,543.87

Finding the Fourth Proportional to 789,345.88, 1,089,795.40 and 547,543.87

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Solution

The fourth proportional to 789,345.88, 1,089,795.40 and 547,543.87 is: 755,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,345.88 : 1,089,795.40 = 547,543.87 : x
  2. Step 2: Convert to fraction form
    789,345.88/1,089,795.40 = 547,543.87/x
  3. Step 3: Cross multiply
    789,345.88x = 1,089,795.40 × 547,543.87
  4. Step 4: Simplify right side
    789,345.88x = 596,710,786,730.85
  5. Step 5: Solve for x
    x = 596,710,786,730.85/789,345.88
  6. Step 6: Final answer
    x = 755,956.04

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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.