Home / 891,048.42-1,336,261.50-358,431.30

Finding the Fourth Proportional to 891,048.42, 1,336,261.50 and 358,431.30

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Solution

The fourth proportional to 891,048.42, 1,336,261.50 and 358,431.30 is: 537,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,048.42 : 1,336,261.50 = 358,431.30 : x
  2. Step 2: Convert to fraction form
    891,048.42/1,336,261.50 = 358,431.30/x
  3. Step 3: Cross multiply
    891,048.42x = 1,336,261.50 × 358,431.30
  4. Step 4: Simplify right side
    891,048.42x = 478,957,946,584.95
  5. Step 5: Solve for x
    x = 478,957,946,584.95/891,048.42
  6. Step 6: Final answer
    x = 537,521.80

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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.