Home / 434,637.90-651,956.85-275,205.60

Finding the Fourth Proportional to 434,637.90, 651,956.85 and 275,205.60

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Solution

The fourth proportional to 434,637.90, 651,956.85 and 275,205.60 is: 412,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,637.90 : 651,956.85 = 275,205.60 : x
  2. Step 2: Convert to fraction form
    434,637.90/651,956.85 = 275,205.60/x
  3. Step 3: Cross multiply
    434,637.90x = 651,956.85 × 275,205.60
  4. Step 4: Simplify right side
    434,637.90x = 179,422,176,078.36
  5. Step 5: Solve for x
    x = 179,422,176,078.36/434,637.90
  6. Step 6: Final answer
    x = 412,808.40

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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.