Home / 948,771.69-1,423,156.42-309,074.40

Finding the Fourth Proportional to 948,771.69, 1,423,156.42 and 309,074.40

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Solution

The fourth proportional to 948,771.69, 1,423,156.42 and 309,074.40 is: 463,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,771.69 : 1,423,156.42 = 309,074.40 : x
  2. Step 2: Convert to fraction form
    948,771.69/1,423,156.42 = 309,074.40/x
  3. Step 3: Cross multiply
    948,771.69x = 1,423,156.42 × 309,074.40
  4. Step 4: Simplify right side
    948,771.69x = 439,861,220,223.27
  5. Step 5: Solve for x
    x = 439,861,220,223.27/948,771.69
  6. Step 6: Final answer
    x = 463,611.24

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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.