Home / 710,758.34-1,065,980.68-205,209.35

Finding the Fourth Proportional to 710,758.34, 1,065,980.68 and 205,209.35

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Solution

The fourth proportional to 710,758.34, 1,065,980.68 and 205,209.35 is: 307,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,758.34 : 1,065,980.68 = 205,209.35 : x
  2. Step 2: Convert to fraction form
    710,758.34/1,065,980.68 = 205,209.35/x
  3. Step 3: Cross multiply
    710,758.34x = 1,065,980.68 × 205,209.35
  4. Step 4: Simplify right side
    710,758.34x = 218,749,201,187.01
  5. Step 5: Solve for x
    x = 218,749,201,187.01/710,758.34
  6. Step 6: Final answer
    x = 307,768.74

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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.