Home / 438,827.20-658,240.80-367,968.40

Finding the Fourth Proportional to 438,827.20, 658,240.80 and 367,968.40

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Solution

The fourth proportional to 438,827.20, 658,240.80 and 367,968.40 is: 551,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,827.20 : 658,240.80 = 367,968.40 : x
  2. Step 2: Convert to fraction form
    438,827.20/658,240.80 = 367,968.40/x
  3. Step 3: Cross multiply
    438,827.20x = 658,240.80 × 367,968.40
  4. Step 4: Simplify right side
    438,827.20x = 242,211,813,990.72
  5. Step 5: Solve for x
    x = 242,211,813,990.72/438,827.20
  6. Step 6: Final answer
    x = 551,952.60

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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.