Home / 824,785.74-1,237,371.80-256,137.80

Finding the Fourth Proportional to 824,785.74, 1,237,371.80 and 256,137.80

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Solution

The fourth proportional to 824,785.74, 1,237,371.80 and 256,137.80 is: 384,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,785.74 : 1,237,371.80 = 256,137.80 : x
  2. Step 2: Convert to fraction form
    824,785.74/1,237,371.80 = 256,137.80/x
  3. Step 3: Cross multiply
    824,785.74x = 1,237,371.80 × 256,137.80
  4. Step 4: Simplify right side
    824,785.74x = 316,937,683,166.49
  5. Step 5: Solve for x
    x = 316,937,683,166.49/824,785.74
  6. Step 6: Final answer
    x = 384,266.69

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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.