Home / 895,216.78-1,342,869.79-255,615.40

Finding the Fourth Proportional to 895,216.78, 1,342,869.79 and 255,615.40

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Solution

The fourth proportional to 895,216.78, 1,342,869.79 and 255,615.40 is: 383,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,216.78 : 1,342,869.79 = 255,615.40 : x
  2. Step 2: Convert to fraction form
    895,216.78/1,342,869.79 = 255,615.40/x
  3. Step 3: Cross multiply
    895,216.78x = 1,342,869.79 × 255,615.40
  4. Step 4: Simplify right side
    895,216.78x = 343,258,198,518.77
  5. Step 5: Solve for x
    x = 343,258,198,518.77/895,216.78
  6. Step 6: Final answer
    x = 383,435.84

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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.