Home / 926,404.20-1,389,671.10-365,365.80

Finding the Fourth Proportional to 926,404.20, 1,389,671.10 and 365,365.80

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Solution

The fourth proportional to 926,404.20, 1,389,671.10 and 365,365.80 is: 548,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,404.20 : 1,389,671.10 = 365,365.80 : x
  2. Step 2: Convert to fraction form
    926,404.20/1,389,671.10 = 365,365.80/x
  3. Step 3: Cross multiply
    926,404.20x = 1,389,671.10 × 365,365.80
  4. Step 4: Simplify right side
    926,404.20x = 507,738,293,188.38
  5. Step 5: Solve for x
    x = 507,738,293,188.38/926,404.20
  6. Step 6: Final answer
    x = 548,074.26

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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.