Home / 679,877.40-1,020,601.80-364,949.40

Finding the Fourth Proportional to 679,877.40, 1,020,601.80 and 364,949.40

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Solution

The fourth proportional to 679,877.40, 1,020,601.80 and 364,949.40 is: 547,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,877.40 : 1,020,601.80 = 364,949.40 : x
  2. Step 2: Convert to fraction form
    679,877.40/1,020,601.80 = 364,949.40/x
  3. Step 3: Cross multiply
    679,877.40x = 1,020,601.80 × 364,949.40
  4. Step 4: Simplify right side
    679,877.40x = 372,468,014,548.92
  5. Step 5: Solve for x
    x = 372,468,014,548.92/679,877.40
  6. Step 6: Final answer
    x = 547,845.85

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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.