Home / 427,411.21-589,859.46-243,654.16

Finding the Fourth Proportional to 427,411.21, 589,859.46 and 243,654.16

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Solution

The fourth proportional to 427,411.21, 589,859.46 and 243,654.16 is: 336,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,411.21 : 589,859.46 = 243,654.16 : x
  2. Step 2: Convert to fraction form
    427,411.21/589,859.46 = 243,654.16/x
  3. Step 3: Cross multiply
    427,411.21x = 589,859.46 × 243,654.16
  4. Step 4: Simplify right side
    427,411.21x = 143,721,711,244.35
  5. Step 5: Solve for x
    x = 143,721,711,244.35/427,411.21
  6. Step 6: Final answer
    x = 336,260.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.