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Finding the Fourth Proportional to 534,498.31, 737,328.01 and 330,484.02

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Solution

The fourth proportional to 534,498.31, 737,328.01 and 330,484.02 is: 455,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,498.31 : 737,328.01 = 330,484.02 : x
  2. Step 2: Convert to fraction form
    534,498.31/737,328.01 = 330,484.02/x
  3. Step 3: Cross multiply
    534,498.31x = 737,328.01 × 330,484.02
  4. Step 4: Simplify right side
    534,498.31x = 243,675,124,803.40
  5. Step 5: Solve for x
    x = 243,675,124,803.40/534,498.31
  6. Step 6: Final answer
    x = 455,895.03

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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.