Home / 670,632.20-1,005,948.30-355,704.20

Finding the Fourth Proportional to 670,632.20, 1,005,948.30 and 355,704.20

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Solution

The fourth proportional to 670,632.20, 1,005,948.30 and 355,704.20 is: 533,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,632.20 : 1,005,948.30 = 355,704.20 : x
  2. Step 2: Convert to fraction form
    670,632.20/1,005,948.30 = 355,704.20/x
  3. Step 3: Cross multiply
    670,632.20x = 1,005,948.30 × 355,704.20
  4. Step 4: Simplify right side
    670,632.20x = 357,820,035,292.86
  5. Step 5: Solve for x
    x = 357,820,035,292.86/670,632.20
  6. Step 6: Final answer
    x = 533,556.30

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Double scale
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Similar ratio
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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.