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Finding the Fourth Proportional to 454,045.44, 626,527.84 and 260,443.12

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Solution

The fourth proportional to 454,045.44, 626,527.84 and 260,443.12 is: 359,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,045.44 : 626,527.84 = 260,443.12 : x
  2. Step 2: Convert to fraction form
    454,045.44/626,527.84 = 260,443.12/x
  3. Step 3: Cross multiply
    454,045.44x = 626,527.84 × 260,443.12
  4. Step 4: Simplify right side
    454,045.44x = 163,174,865,416.46
  5. Step 5: Solve for x
    x = 163,174,865,416.46/454,045.44
  6. Step 6: Final answer
    x = 359,380.03

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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.