Home / 739,855.70-1,109,783.55-698,521.40

Finding the Fourth Proportional to 739,855.70, 1,109,783.55 and 698,521.40

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Solution

The fourth proportional to 739,855.70, 1,109,783.55 and 698,521.40 is: 1,047,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,855.70 : 1,109,783.55 = 698,521.40 : x
  2. Step 2: Convert to fraction form
    739,855.70/1,109,783.55 = 698,521.40/x
  3. Step 3: Cross multiply
    739,855.70x = 1,109,783.55 × 698,521.40
  4. Step 4: Simplify right side
    739,855.70x = 775,207,559,042.97
  5. Step 5: Solve for x
    x = 775,207,559,042.97/739,855.70
  6. Step 6: Final answer
    x = 1,047,782.10

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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.