Home / 838,827.96-1,258,783.26-306,304.40

Finding the Fourth Proportional to 838,827.96, 1,258,783.26 and 306,304.40

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Solution

The fourth proportional to 838,827.96, 1,258,783.26 and 306,304.40 is: 459,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,827.96 : 1,258,783.26 = 306,304.40 : x
  2. Step 2: Convert to fraction form
    838,827.96/1,258,783.26 = 306,304.40/x
  3. Step 3: Cross multiply
    838,827.96x = 1,258,783.26 × 306,304.40
  4. Step 4: Simplify right side
    838,827.96x = 385,570,851,184.34
  5. Step 5: Solve for x
    x = 385,570,851,184.34/838,827.96
  6. Step 6: Final answer
    x = 459,654.27

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Double scale
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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.