Home / 868,427.86-1,302,767.34-328,537.76

Finding the Fourth Proportional to 868,427.86, 1,302,767.34 and 328,537.76

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Solution

The fourth proportional to 868,427.86, 1,302,767.34 and 328,537.76 is: 492,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,427.86 : 1,302,767.34 = 328,537.76 : x
  2. Step 2: Convert to fraction form
    868,427.86/1,302,767.34 = 328,537.76/x
  3. Step 3: Cross multiply
    868,427.86x = 1,302,767.34 × 328,537.76
  4. Step 4: Simplify right side
    868,427.86x = 428,008,263,684.76
  5. Step 5: Solve for x
    x = 428,008,263,684.76/868,427.86
  6. Step 6: Final answer
    x = 492,854.14

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1.5x scale

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.