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Finding the Fourth Proportional to 555,740.40, 833,999.40 and 240,423.60

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Solution

The fourth proportional to 555,740.40, 833,999.40 and 240,423.60 is: 360,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,740.40 : 833,999.40 = 240,423.60 : x
  2. Step 2: Convert to fraction form
    555,740.40/833,999.40 = 240,423.60/x
  3. Step 3: Cross multiply
    555,740.40x = 833,999.40 × 240,423.60
  4. Step 4: Simplify right side
    555,740.40x = 200,513,138,145.84
  5. Step 5: Solve for x
    x = 200,513,138,145.84/555,740.40
  6. Step 6: Final answer
    x = 360,803.60

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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.