Home / 434,577.20-651,865.80-359,927.60

Finding the Fourth Proportional to 434,577.20, 651,865.80 and 359,927.60

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Solution

The fourth proportional to 434,577.20, 651,865.80 and 359,927.60 is: 539,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,577.20 : 651,865.80 = 359,927.60 : x
  2. Step 2: Convert to fraction form
    434,577.20/651,865.80 = 359,927.60/x
  3. Step 3: Cross multiply
    434,577.20x = 651,865.80 × 359,927.60
  4. Step 4: Simplify right side
    434,577.20x = 234,624,492,916.08
  5. Step 5: Solve for x
    x = 234,624,492,916.08/434,577.20
  6. Step 6: Final answer
    x = 539,891.40

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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.