Home / 571,899.06-789,208.65-317,248.02

Finding the Fourth Proportional to 571,899.06, 789,208.65 and 317,248.02

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Solution

The fourth proportional to 571,899.06, 789,208.65 and 317,248.02 is: 437,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,899.06 : 789,208.65 = 317,248.02 : x
  2. Step 2: Convert to fraction form
    571,899.06/789,208.65 = 317,248.02/x
  3. Step 3: Cross multiply
    571,899.06x = 789,208.65 × 317,248.02
  4. Step 4: Simplify right side
    571,899.06x = 250,374,881,579.37
  5. Step 5: Solve for x
    x = 250,374,881,579.37/571,899.06
  6. Step 6: Final answer
    x = 437,795.58

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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.