Home / 662,631.20-993,946.80-452,679.20

Finding the Fourth Proportional to 662,631.20, 993,946.80 and 452,679.20

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Solution

The fourth proportional to 662,631.20, 993,946.80 and 452,679.20 is: 679,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,631.20 : 993,946.80 = 452,679.20 : x
  2. Step 2: Convert to fraction form
    662,631.20/993,946.80 = 452,679.20/x
  3. Step 3: Cross multiply
    662,631.20x = 993,946.80 × 452,679.20
  4. Step 4: Simplify right side
    662,631.20x = 449,939,042,266.56
  5. Step 5: Solve for x
    x = 449,939,042,266.56/662,631.20
  6. Step 6: Final answer
    x = 679,018.80

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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.