Home / 993,247.30-1,489,870.95-520,077.70

Finding the Fourth Proportional to 993,247.30, 1,489,870.95 and 520,077.70

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Solution

The fourth proportional to 993,247.30, 1,489,870.95 and 520,077.70 is: 780,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,247.30 : 1,489,870.95 = 520,077.70 : x
  2. Step 2: Convert to fraction form
    993,247.30/1,489,870.95 = 520,077.70/x
  3. Step 3: Cross multiply
    993,247.30x = 1,489,870.95 × 520,077.70
  4. Step 4: Simplify right side
    993,247.30x = 774,848,656,972.82
  5. Step 5: Solve for x
    x = 774,848,656,972.82/993,247.30
  6. Step 6: Final answer
    x = 780,116.55

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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.