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Finding the Fourth Proportional to 612,068.10, 918,102.15 and 606,163.20

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Solution

The fourth proportional to 612,068.10, 918,102.15 and 606,163.20 is: 909,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,068.10 : 918,102.15 = 606,163.20 : x
  2. Step 2: Convert to fraction form
    612,068.10/918,102.15 = 606,163.20/x
  3. Step 3: Cross multiply
    612,068.10x = 918,102.15 × 606,163.20
  4. Step 4: Simplify right side
    612,068.10x = 556,519,737,170.88
  5. Step 5: Solve for x
    x = 556,519,737,170.88/612,068.10
  6. Step 6: Final answer
    x = 909,244.80

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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.