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Finding the Fourth Proportional to 540,015.80, 808,055.40 and 492,776.60

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Solution

The fourth proportional to 540,015.80, 808,055.40 and 492,776.60 is: 737,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,015.80 : 808,055.40 = 492,776.60 : x
  2. Step 2: Convert to fraction form
    540,015.80/808,055.40 = 492,776.60/x
  3. Step 3: Cross multiply
    540,015.80x = 808,055.40 × 492,776.60
  4. Step 4: Simplify right side
    540,015.80x = 398,190,792,623.64
  5. Step 5: Solve for x
    x = 398,190,792,623.64/540,015.80
  6. Step 6: Final answer
    x = 737,368.78

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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.