Home / 688,222.19-1,031,764.73-303,697.23

Finding the Fourth Proportional to 688,222.19, 1,031,764.73 and 303,697.23

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Solution

The fourth proportional to 688,222.19, 1,031,764.73 and 303,697.23 is: 455,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,222.19 : 1,031,764.73 = 303,697.23 : x
  2. Step 2: Convert to fraction form
    688,222.19/1,031,764.73 = 303,697.23/x
  3. Step 3: Cross multiply
    688,222.19x = 1,031,764.73 × 303,697.23
  4. Step 4: Simplify right side
    688,222.19x = 313,344,088,994.21
  5. Step 5: Solve for x
    x = 313,344,088,994.21/688,222.19
  6. Step 6: Final answer
    x = 455,294.96

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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.