Home / 890,319.32-1,335,467.31-216,398.67

Finding the Fourth Proportional to 890,319.32, 1,335,467.31 and 216,398.67

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Solution

The fourth proportional to 890,319.32, 1,335,467.31 and 216,398.67 is: 324,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,319.32 : 1,335,467.31 = 216,398.67 : x
  2. Step 2: Convert to fraction form
    890,319.32/1,335,467.31 = 216,398.67/x
  3. Step 3: Cross multiply
    890,319.32x = 1,335,467.31 × 216,398.67
  4. Step 4: Simplify right side
    890,319.32x = 288,993,349,712.48
  5. Step 5: Solve for x
    x = 288,993,349,712.48/890,319.32
  6. Step 6: Final answer
    x = 324,595.17

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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.