Home / 846,384.12-1,270,072.74-314,274.60

Finding the Fourth Proportional to 846,384.12, 1,270,072.74 and 314,274.60

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Solution

The fourth proportional to 846,384.12, 1,270,072.74 and 314,274.60 is: 471,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,384.12 : 1,270,072.74 = 314,274.60 : x
  2. Step 2: Convert to fraction form
    846,384.12/1,270,072.74 = 314,274.60/x
  3. Step 3: Cross multiply
    846,384.12x = 1,270,072.74 × 314,274.60
  4. Step 4: Simplify right side
    846,384.12x = 399,151,602,334.40
  5. Step 5: Solve for x
    x = 399,151,602,334.40/846,384.12
  6. Step 6: Final answer
    x = 471,596.28

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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.