Home / 756,529.60-1,134,717.60-257,886.40

Finding the Fourth Proportional to 756,529.60, 1,134,717.60 and 257,886.40

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Solution

The fourth proportional to 756,529.60, 1,134,717.60 and 257,886.40 is: 386,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,529.60 : 1,134,717.60 = 257,886.40 : x
  2. Step 2: Convert to fraction form
    756,529.60/1,134,717.60 = 257,886.40/x
  3. Step 3: Cross multiply
    756,529.60x = 1,134,717.60 × 257,886.40
  4. Step 4: Simplify right side
    756,529.60x = 292,628,236,880.64
  5. Step 5: Solve for x
    x = 292,628,236,880.64/756,529.60
  6. Step 6: Final answer
    x = 386,803.42

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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.