Home / 946,722.30-1,420,096.02-315,636.32

Finding the Fourth Proportional to 946,722.30, 1,420,096.02 and 315,636.32

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Solution

The fourth proportional to 946,722.30, 1,420,096.02 and 315,636.32 is: 473,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,722.30 : 1,420,096.02 = 315,636.32 : x
  2. Step 2: Convert to fraction form
    946,722.30/1,420,096.02 = 315,636.32/x
  3. Step 3: Cross multiply
    946,722.30x = 1,420,096.02 × 315,636.32
  4. Step 4: Simplify right side
    946,722.30x = 448,233,881,799.45
  5. Step 5: Solve for x
    x = 448,233,881,799.45/946,722.30
  6. Step 6: Final answer
    x = 473,458.67

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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.