Home / 849,961.40-1,274,841.23-281,343.83

Finding the Fourth Proportional to 849,961.40, 1,274,841.23 and 281,343.83

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Solution

The fourth proportional to 849,961.40, 1,274,841.23 and 281,343.83 is: 421,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,961.40 : 1,274,841.23 = 281,343.83 : x
  2. Step 2: Convert to fraction form
    849,961.40/1,274,841.23 = 281,343.83/x
  3. Step 3: Cross multiply
    849,961.40x = 1,274,841.23 × 281,343.83
  4. Step 4: Simplify right side
    849,961.40x = 358,668,706,509.19
  5. Step 5: Solve for x
    x = 358,668,706,509.19/849,961.40
  6. Step 6: Final answer
    x = 421,982.35

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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.