Home / 1,049,381.45-1,574,121.37-339,464.84

Finding the Fourth Proportional to 1,049,381.45, 1,574,121.37 and 339,464.84

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Solution

The fourth proportional to 1,049,381.45, 1,574,121.37 and 339,464.84 is: 509,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,381.45 : 1,574,121.37 = 339,464.84 : x
  2. Step 2: Convert to fraction form
    1,049,381.45/1,574,121.37 = 339,464.84/x
  3. Step 3: Cross multiply
    1,049,381.45x = 1,574,121.37 × 339,464.84
  4. Step 4: Simplify right side
    1,049,381.45x = 534,358,862,094.27
  5. Step 5: Solve for x
    x = 534,358,862,094.27/1,049,381.45
  6. Step 6: Final answer
    x = 509,213.18

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Double scale
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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.