Home / 949,643.40-1,424,465.10-284,795.40

Finding the Fourth Proportional to 949,643.40, 1,424,465.10 and 284,795.40

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Solution

The fourth proportional to 949,643.40, 1,424,465.10 and 284,795.40 is: 427,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,643.40 : 1,424,465.10 = 284,795.40 : x
  2. Step 2: Convert to fraction form
    949,643.40/1,424,465.10 = 284,795.40/x
  3. Step 3: Cross multiply
    949,643.40x = 1,424,465.10 × 284,795.40
  4. Step 4: Simplify right side
    949,643.40x = 405,681,107,940.54
  5. Step 5: Solve for x
    x = 405,681,107,940.54/949,643.40
  6. Step 6: Final answer
    x = 427,193.10

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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.