Home / 1,049,701.28-1,574,801.79-339,729.32

Finding the Fourth Proportional to 1,049,701.28, 1,574,801.79 and 339,729.32

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Solution

The fourth proportional to 1,049,701.28, 1,574,801.79 and 339,729.32 is: 509,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,701.28 : 1,574,801.79 = 339,729.32 : x
  2. Step 2: Convert to fraction form
    1,049,701.28/1,574,801.79 = 339,729.32/x
  3. Step 3: Cross multiply
    1,049,701.28x = 1,574,801.79 × 339,729.32
  4. Step 4: Simplify right side
    1,049,701.28x = 535,006,343,914.50
  5. Step 5: Solve for x
    x = 535,006,343,914.50/1,049,701.28
  6. Step 6: Final answer
    x = 509,674.85

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Double scale
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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.