Home / 759,336-1,139,069.61-198,370.50

Finding the Fourth Proportional to 759,336, 1,139,069.61 and 198,370.50

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Solution

The fourth proportional to 759,336, 1,139,069.61 and 198,370.50 is: 297,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,336 : 1,139,069.61 = 198,370.50 : x
  2. Step 2: Convert to fraction form
    759,336/1,139,069.61 = 198,370.50/x
  3. Step 3: Cross multiply
    759,336x = 1,139,069.61 × 198,370.50
  4. Step 4: Simplify right side
    759,336x = 225,957,808,070.51
  5. Step 5: Solve for x
    x = 225,957,808,070.51/759,336
  6. Step 6: Final answer
    x = 297,572.89

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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.