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Finding the Fourth Proportional to 612,022.10, 918,033.15 and 606,117.20

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Solution

The fourth proportional to 612,022.10, 918,033.15 and 606,117.20 is: 909,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,022.10 : 918,033.15 = 606,117.20 : x
  2. Step 2: Convert to fraction form
    612,022.10/918,033.15 = 606,117.20/x
  3. Step 3: Cross multiply
    612,022.10x = 918,033.15 × 606,117.20
  4. Step 4: Simplify right side
    612,022.10x = 556,435,682,385.18
  5. Step 5: Solve for x
    x = 556,435,682,385.18/612,022.10
  6. Step 6: Final answer
    x = 909,175.80

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Similar ratio
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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.