Home / 716,878-1,075,315.66-211,793.76

Finding the Fourth Proportional to 716,878, 1,075,315.66 and 211,793.76

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Solution

The fourth proportional to 716,878, 1,075,315.66 and 211,793.76 is: 317,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,878 : 1,075,315.66 = 211,793.76 : x
  2. Step 2: Convert to fraction form
    716,878/1,075,315.66 = 211,793.76/x
  3. Step 3: Cross multiply
    716,878x = 1,075,315.66 × 211,793.76
  4. Step 4: Simplify right side
    716,878x = 227,745,146,818.28
  5. Step 5: Solve for x
    x = 227,745,146,818.28/716,878
  6. Step 6: Final answer
    x = 317,690.24

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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.