Home / 946,494.40-1,420,130.40-347,742.40

Finding the Fourth Proportional to 946,494.40, 1,420,130.40 and 347,742.40

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Solution

The fourth proportional to 946,494.40, 1,420,130.40 and 347,742.40 is: 521,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,494.40 : 1,420,130.40 = 347,742.40 : x
  2. Step 2: Convert to fraction form
    946,494.40/1,420,130.40 = 347,742.40/x
  3. Step 3: Cross multiply
    946,494.40x = 1,420,130.40 × 347,742.40
  4. Step 4: Simplify right side
    946,494.40x = 493,839,553,608.96
  5. Step 5: Solve for x
    x = 493,839,553,608.96/946,494.40
  6. Step 6: Final answer
    x = 521,756.45

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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.