Home / 829,126.80-1,243,997.40-330,848.40

Finding the Fourth Proportional to 829,126.80, 1,243,997.40 and 330,848.40

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Solution

The fourth proportional to 829,126.80, 1,243,997.40 and 330,848.40 is: 496,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,126.80 : 1,243,997.40 = 330,848.40 : x
  2. Step 2: Convert to fraction form
    829,126.80/1,243,997.40 = 330,848.40/x
  3. Step 3: Cross multiply
    829,126.80x = 1,243,997.40 × 330,848.40
  4. Step 4: Simplify right side
    829,126.80x = 411,574,549,394.16
  5. Step 5: Solve for x
    x = 411,574,549,394.16/829,126.80
  6. Step 6: Final answer
    x = 496,395.18

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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.