Home / 571,929.22-789,276.86-313,806.10

Finding the Fourth Proportional to 571,929.22, 789,276.86 and 313,806.10

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Solution

The fourth proportional to 571,929.22, 789,276.86 and 313,806.10 is: 433,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,929.22 : 789,276.86 = 313,806.10 : x
  2. Step 2: Convert to fraction form
    571,929.22/789,276.86 = 313,806.10/x
  3. Step 3: Cross multiply
    571,929.22x = 789,276.86 × 313,806.10
  4. Step 4: Simplify right side
    571,929.22x = 247,679,892,674.41
  5. Step 5: Solve for x
    x = 247,679,892,674.41/571,929.22
  6. Step 6: Final answer
    x = 433,060.39

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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.