Home / 984,178.80-1,475,101.80-510,620.40

Finding the Fourth Proportional to 984,178.80, 1,475,101.80 and 510,620.40

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Solution

The fourth proportional to 984,178.80, 1,475,101.80 and 510,620.40 is: 765,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,178.80 : 1,475,101.80 = 510,620.40 : x
  2. Step 2: Convert to fraction form
    984,178.80/1,475,101.80 = 510,620.40/x
  3. Step 3: Cross multiply
    984,178.80x = 1,475,101.80 × 510,620.40
  4. Step 4: Simplify right side
    984,178.80x = 753,217,071,156.72
  5. Step 5: Solve for x
    x = 753,217,071,156.72/984,178.80
  6. Step 6: Final answer
    x = 765,325.44

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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.