Home / 759,721.20-1,048,835.16-505,446

Finding the Fourth Proportional to 759,721.20, 1,048,835.16 and 505,446

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Solution

The fourth proportional to 759,721.20, 1,048,835.16 and 505,446 is: 697,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,721.20 : 1,048,835.16 = 505,446 : x
  2. Step 2: Convert to fraction form
    759,721.20/1,048,835.16 = 505,446/x
  3. Step 3: Cross multiply
    759,721.20x = 1,048,835.16 × 505,446
  4. Step 4: Simplify right side
    759,721.20x = 530,129,536,281.36
  5. Step 5: Solve for x
    x = 530,129,536,281.36/759,721.20
  6. Step 6: Final answer
    x = 697,794.84

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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.