Home / 693,102.60-1,039,508.10-293,756.40

Finding the Fourth Proportional to 693,102.60, 1,039,508.10 and 293,756.40

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Solution

The fourth proportional to 693,102.60, 1,039,508.10 and 293,756.40 is: 440,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,102.60 : 1,039,508.10 = 293,756.40 : x
  2. Step 2: Convert to fraction form
    693,102.60/1,039,508.10 = 293,756.40/x
  3. Step 3: Cross multiply
    693,102.60x = 1,039,508.10 × 293,756.40
  4. Step 4: Simplify right side
    693,102.60x = 305,362,157,226.84
  5. Step 5: Solve for x
    x = 305,362,157,226.84/693,102.60
  6. Step 6: Final answer
    x = 440,572.81

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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.