Home / 693,055.40-1,039,582.47-260,853.60

Finding the Fourth Proportional to 693,055.40, 1,039,582.47 and 260,853.60

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Solution

The fourth proportional to 693,055.40, 1,039,582.47 and 260,853.60 is: 391,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,055.40 : 1,039,582.47 = 260,853.60 : x
  2. Step 2: Convert to fraction form
    693,055.40/1,039,582.47 = 260,853.60/x
  3. Step 3: Cross multiply
    693,055.40x = 1,039,582.47 × 260,853.60
  4. Step 4: Simplify right side
    693,055.40x = 271,178,829,796.39
  5. Step 5: Solve for x
    x = 271,178,829,796.39/693,055.40
  6. Step 6: Final answer
    x = 391,280.17

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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.