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Finding the Fourth Proportional to 455,283.32, 681,579.90 and 435,797.15

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Solution

The fourth proportional to 455,283.32, 681,579.90 and 435,797.15 is: 652,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,283.32 : 681,579.90 = 435,797.15 : x
  2. Step 2: Convert to fraction form
    455,283.32/681,579.90 = 435,797.15/x
  3. Step 3: Cross multiply
    455,283.32x = 681,579.90 × 435,797.15
  4. Step 4: Simplify right side
    455,283.32x = 297,030,574,509.39
  5. Step 5: Solve for x
    x = 297,030,574,509.39/455,283.32
  6. Step 6: Final answer
    x = 652,408.21

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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.