Home / 868,031.31-1,302,037.25-306,934.59

Finding the Fourth Proportional to 868,031.31, 1,302,037.25 and 306,934.59

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Solution

The fourth proportional to 868,031.31, 1,302,037.25 and 306,934.59 is: 460,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,031.31 : 1,302,037.25 = 306,934.59 : x
  2. Step 2: Convert to fraction form
    868,031.31/1,302,037.25 = 306,934.59/x
  3. Step 3: Cross multiply
    868,031.31x = 1,302,037.25 × 306,934.59
  4. Step 4: Simplify right side
    868,031.31x = 399,640,267,958.81
  5. Step 5: Solve for x
    x = 399,640,267,958.81/868,031.31
  6. Step 6: Final answer
    x = 460,398.45

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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.