Home / 780,097.05-1,170,145.58-662,290.65

Finding the Fourth Proportional to 780,097.05, 1,170,145.58 and 662,290.65

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Solution

The fourth proportional to 780,097.05, 1,170,145.58 and 662,290.65 is: 993,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,097.05 : 1,170,145.58 = 662,290.65 : x
  2. Step 2: Convert to fraction form
    780,097.05/1,170,145.58 = 662,290.65/x
  3. Step 3: Cross multiply
    780,097.05x = 1,170,145.58 × 662,290.65
  4. Step 4: Simplify right side
    780,097.05x = 774,976,473,461.37
  5. Step 5: Solve for x
    x = 774,976,473,461.37/780,097.05
  6. Step 6: Final answer
    x = 993,435.98

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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.