Home / 438,848.72-605,579.52-257,567.84

Finding the Fourth Proportional to 438,848.72, 605,579.52 and 257,567.84

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Solution

The fourth proportional to 438,848.72, 605,579.52 and 257,567.84 is: 355,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,848.72 : 605,579.52 = 257,567.84 : x
  2. Step 2: Convert to fraction form
    438,848.72/605,579.52 = 257,567.84/x
  3. Step 3: Cross multiply
    438,848.72x = 605,579.52 × 257,567.84
  4. Step 4: Simplify right side
    438,848.72x = 155,977,808,914.64
  5. Step 5: Solve for x
    x = 155,977,808,914.64/438,848.72
  6. Step 6: Final answer
    x = 355,425.01

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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.