Home / 553,835.25-764,292.65-299,186.46

Finding the Fourth Proportional to 553,835.25, 764,292.65 and 299,186.46

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Solution

The fourth proportional to 553,835.25, 764,292.65 and 299,186.46 is: 412,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,835.25 : 764,292.65 = 299,186.46 : x
  2. Step 2: Convert to fraction form
    553,835.25/764,292.65 = 299,186.46/x
  3. Step 3: Cross multiply
    553,835.25x = 764,292.65 × 299,186.46
  4. Step 4: Simplify right side
    553,835.25x = 228,666,010,861.59
  5. Step 5: Solve for x
    x = 228,666,010,861.59/553,835.25
  6. Step 6: Final answer
    x = 412,877.31

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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.