Home / 989,092.45-1,483,622.47-315,164.67

Finding the Fourth Proportional to 989,092.45, 1,483,622.47 and 315,164.67

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Solution

The fourth proportional to 989,092.45, 1,483,622.47 and 315,164.67 is: 472,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,092.45 : 1,483,622.47 = 315,164.67 : x
  2. Step 2: Convert to fraction form
    989,092.45/1,483,622.47 = 315,164.67/x
  3. Step 3: Cross multiply
    989,092.45x = 1,483,622.47 × 315,164.67
  4. Step 4: Simplify right side
    989,092.45x = 467,585,386,162.14
  5. Step 5: Solve for x
    x = 467,585,386,162.14/989,092.45
  6. Step 6: Final answer
    x = 472,741.84

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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.