Home / 653,228.77-979,461.79-253,402.34

Finding the Fourth Proportional to 653,228.77, 979,461.79 and 253,402.34

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Solution

The fourth proportional to 653,228.77, 979,461.79 and 253,402.34 is: 379,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,228.77 : 979,461.79 = 253,402.34 : x
  2. Step 2: Convert to fraction form
    653,228.77/979,461.79 = 253,402.34/x
  3. Step 3: Cross multiply
    653,228.77x = 979,461.79 × 253,402.34
  4. Step 4: Simplify right side
    653,228.77x = 248,197,909,526.59
  5. Step 5: Solve for x
    x = 248,197,909,526.59/653,228.77
  6. Step 6: Final answer
    x = 379,955.57

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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.