Home / 757,604.20-1,045,477.68-413,428.72

Finding the Fourth Proportional to 757,604.20, 1,045,477.68 and 413,428.72

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Solution

The fourth proportional to 757,604.20, 1,045,477.68 and 413,428.72 is: 570,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,604.20 : 1,045,477.68 = 413,428.72 : x
  2. Step 2: Convert to fraction form
    757,604.20/1,045,477.68 = 413,428.72/x
  3. Step 3: Cross multiply
    757,604.20x = 1,045,477.68 × 413,428.72
  4. Step 4: Simplify right side
    757,604.20x = 432,230,499,030.97
  5. Step 5: Solve for x
    x = 432,230,499,030.97/757,604.20
  6. Step 6: Final answer
    x = 570,522.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.