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Finding the Fourth Proportional to 670,277.10, 939,632.10 and 670,277.10

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Solution

The fourth proportional to 670,277.10, 939,632.10 and 670,277.10 is: 939,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,277.10 : 939,632.10 = 670,277.10 : x
  2. Step 2: Convert to fraction form
    670,277.10/939,632.10 = 670,277.10/x
  3. Step 3: Cross multiply
    670,277.10x = 939,632.10 × 670,277.10
  4. Step 4: Simplify right side
    670,277.10x = 629,813,879,054.91
  5. Step 5: Solve for x
    x = 629,813,879,054.91/670,277.10
  6. Step 6: Final answer
    x = 939,632.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.