Home / 511,917.02-767,547.46-212,604.20

Finding the Fourth Proportional to 511,917.02, 767,547.46 and 212,604.20

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Solution

The fourth proportional to 511,917.02, 767,547.46 and 212,604.20 is: 318,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,917.02 : 767,547.46 = 212,604.20 : x
  2. Step 2: Convert to fraction form
    511,917.02/767,547.46 = 212,604.20/x
  3. Step 3: Cross multiply
    511,917.02x = 767,547.46 × 212,604.20
  4. Step 4: Simplify right side
    511,917.02x = 163,183,813,695.33
  5. Step 5: Solve for x
    x = 163,183,813,695.33/511,917.02
  6. Step 6: Final answer
    x = 318,770.05

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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.