Home / 658,852.31-988,271.60-339,093.76

Finding the Fourth Proportional to 658,852.31, 988,271.60 and 339,093.76

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Solution

The fourth proportional to 658,852.31, 988,271.60 and 339,093.76 is: 508,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,852.31 : 988,271.60 = 339,093.76 : x
  2. Step 2: Convert to fraction form
    658,852.31/988,271.60 = 339,093.76/x
  3. Step 3: Cross multiply
    658,852.31x = 988,271.60 × 339,093.76
  4. Step 4: Simplify right side
    658,852.31x = 335,116,728,579.07
  5. Step 5: Solve for x
    x = 335,116,728,579.07/658,852.31
  6. Step 6: Final answer
    x = 508,637.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.