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Finding the Fourth Proportional to 651,002.88, 898,344 and 364,474.56

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Solution

The fourth proportional to 651,002.88, 898,344 and 364,474.56 is: 502,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,002.88 : 898,344 = 364,474.56 : x
  2. Step 2: Convert to fraction form
    651,002.88/898,344 = 364,474.56/x
  3. Step 3: Cross multiply
    651,002.88x = 898,344 × 364,474.56
  4. Step 4: Simplify right side
    651,002.88x = 327,423,534,128.64
  5. Step 5: Solve for x
    x = 327,423,534,128.64/651,002.88
  6. Step 6: Final answer
    x = 502,952.51

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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.