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Finding the Fourth Proportional to 502,036.89, 692,803.02 and 275,682.39

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Solution

The fourth proportional to 502,036.89, 692,803.02 and 275,682.39 is: 380,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,036.89 : 692,803.02 = 275,682.39 : x
  2. Step 2: Convert to fraction form
    502,036.89/692,803.02 = 275,682.39/x
  3. Step 3: Cross multiply
    502,036.89x = 692,803.02 × 275,682.39
  4. Step 4: Simplify right side
    502,036.89x = 190,993,592,352.82
  5. Step 5: Solve for x
    x = 190,993,592,352.82/502,036.89
  6. Step 6: Final answer
    x = 380,437.37

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1.5x scale

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.