Home / 511,325.29-705,632.40-284,985.37

Finding the Fourth Proportional to 511,325.29, 705,632.40 and 284,985.37

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Solution

The fourth proportional to 511,325.29, 705,632.40 and 284,985.37 is: 393,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,325.29 : 705,632.40 = 284,985.37 : x
  2. Step 2: Convert to fraction form
    511,325.29/705,632.40 = 284,985.37/x
  3. Step 3: Cross multiply
    511,325.29x = 705,632.40 × 284,985.37
  4. Step 4: Simplify right side
    511,325.29x = 201,094,905,644.90
  5. Step 5: Solve for x
    x = 201,094,905,644.90/511,325.29
  6. Step 6: Final answer
    x = 393,281.76

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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.