Home / 902,830.40-1,354,422.62-334,215.88

Finding the Fourth Proportional to 902,830.40, 1,354,422.62 and 334,215.88

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Solution

The fourth proportional to 902,830.40, 1,354,422.62 and 334,215.88 is: 501,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,830.40 : 1,354,422.62 = 334,215.88 : x
  2. Step 2: Convert to fraction form
    902,830.40/1,354,422.62 = 334,215.88/x
  3. Step 3: Cross multiply
    902,830.40x = 1,354,422.62 × 334,215.88
  4. Step 4: Simplify right side
    902,830.40x = 452,669,547,835.21
  5. Step 5: Solve for x
    x = 452,669,547,835.21/902,830.40
  6. Step 6: Final answer
    x = 501,389.35

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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.