Home / 688,974-1,033,465.32-190,342.32

Finding the Fourth Proportional to 688,974, 1,033,465.32 and 190,342.32

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Solution

The fourth proportional to 688,974, 1,033,465.32 and 190,342.32 is: 285,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,974 : 1,033,465.32 = 190,342.32 : x
  2. Step 2: Convert to fraction form
    688,974/1,033,465.32 = 190,342.32/x
  3. Step 3: Cross multiply
    688,974x = 1,033,465.32 × 190,342.32
  4. Step 4: Simplify right side
    688,974x = 196,712,186,648.34
  5. Step 5: Solve for x
    x = 196,712,186,648.34/688,974
  6. Step 6: Final answer
    x = 285,514.67

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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.