Home / 913,333.60-1,370,000.40-248,485.60

Finding the Fourth Proportional to 913,333.60, 1,370,000.40 and 248,485.60

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Solution

The fourth proportional to 913,333.60, 1,370,000.40 and 248,485.60 is: 372,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,333.60 : 1,370,000.40 = 248,485.60 : x
  2. Step 2: Convert to fraction form
    913,333.60/1,370,000.40 = 248,485.60/x
  3. Step 3: Cross multiply
    913,333.60x = 1,370,000.40 × 248,485.60
  4. Step 4: Simplify right side
    913,333.60x = 340,425,371,394.24
  5. Step 5: Solve for x
    x = 340,425,371,394.24/913,333.60
  6. Step 6: Final answer
    x = 372,728.40

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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.