Home / 684,016.60-959,985.20-684,016.60

Finding the Fourth Proportional to 684,016.60, 959,985.20 and 684,016.60

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Solution

The fourth proportional to 684,016.60, 959,985.20 and 684,016.60 is: 959,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,016.60 : 959,985.20 = 684,016.60 : x
  2. Step 2: Convert to fraction form
    684,016.60/959,985.20 = 684,016.60/x
  3. Step 3: Cross multiply
    684,016.60x = 959,985.20 × 684,016.60
  4. Step 4: Simplify right side
    684,016.60x = 656,645,812,554.32
  5. Step 5: Solve for x
    x = 656,645,812,554.32/684,016.60
  6. Step 6: Final answer
    x = 959,985.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.