Home / 759,357.18-1,047,908.34-419,823

Finding the Fourth Proportional to 759,357.18, 1,047,908.34 and 419,823

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Solution

The fourth proportional to 759,357.18, 1,047,908.34 and 419,823 is: 579,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,357.18 : 1,047,908.34 = 419,823 : x
  2. Step 2: Convert to fraction form
    759,357.18/1,047,908.34 = 419,823/x
  3. Step 3: Cross multiply
    759,357.18x = 1,047,908.34 × 419,823
  4. Step 4: Simplify right side
    759,357.18x = 439,936,023,023.82
  5. Step 5: Solve for x
    x = 439,936,023,023.82/759,357.18
  6. Step 6: Final answer
    x = 579,353.21

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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.