Home / 959,392.83-1,439,069.28-319,742.91

Finding the Fourth Proportional to 959,392.83, 1,439,069.28 and 319,742.91

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Solution

The fourth proportional to 959,392.83, 1,439,069.28 and 319,742.91 is: 479,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,392.83 : 1,439,069.28 = 319,742.91 : x
  2. Step 2: Convert to fraction form
    959,392.83/1,439,069.28 = 319,742.91/x
  3. Step 3: Cross multiply
    959,392.83x = 1,439,069.28 × 319,742.91
  4. Step 4: Simplify right side
    959,392.83x = 460,132,199,278.81
  5. Step 5: Solve for x
    x = 460,132,199,278.81/959,392.83
  6. Step 6: Final answer
    x = 479,607.71

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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.