Home / 890,211.84-1,335,521.28-299,235.84

Finding the Fourth Proportional to 890,211.84, 1,335,521.28 and 299,235.84

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Solution

The fourth proportional to 890,211.84, 1,335,521.28 and 299,235.84 is: 448,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,211.84 : 1,335,521.28 = 299,235.84 : x
  2. Step 2: Convert to fraction form
    890,211.84/1,335,521.28 = 299,235.84/x
  3. Step 3: Cross multiply
    890,211.84x = 1,335,521.28 × 299,235.84
  4. Step 4: Simplify right side
    890,211.84x = 399,635,832,058.68
  5. Step 5: Solve for x
    x = 399,635,832,058.68/890,211.84
  6. Step 6: Final answer
    x = 448,922.17

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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.