Home / 941,630.40-1,412,445.60-310,462.20

Finding the Fourth Proportional to 941,630.40, 1,412,445.60 and 310,462.20

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Solution

The fourth proportional to 941,630.40, 1,412,445.60 and 310,462.20 is: 465,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,630.40 : 1,412,445.60 = 310,462.20 : x
  2. Step 2: Convert to fraction form
    941,630.40/1,412,445.60 = 310,462.20/x
  3. Step 3: Cross multiply
    941,630.40x = 1,412,445.60 × 310,462.20
  4. Step 4: Simplify right side
    941,630.40x = 438,510,968,356.32
  5. Step 5: Solve for x
    x = 438,510,968,356.32/941,630.40
  6. Step 6: Final answer
    x = 465,693.30

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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.