Home / 674,392.16-1,010,720.96-318,621.94

Finding the Fourth Proportional to 674,392.16, 1,010,720.96 and 318,621.94

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Solution

The fourth proportional to 674,392.16, 1,010,720.96 and 318,621.94 is: 477,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,392.16 : 1,010,720.96 = 318,621.94 : x
  2. Step 2: Convert to fraction form
    674,392.16/1,010,720.96 = 318,621.94/x
  3. Step 3: Cross multiply
    674,392.16x = 1,010,720.96 × 318,621.94
  4. Step 4: Simplify right side
    674,392.16x = 322,037,870,148.78
  5. Step 5: Solve for x
    x = 322,037,870,148.78/674,392.16
  6. Step 6: Final answer
    x = 477,523.15

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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.