Home / 879,620.10-1,319,430.15-214,772.10

Finding the Fourth Proportional to 879,620.10, 1,319,430.15 and 214,772.10

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Solution

The fourth proportional to 879,620.10, 1,319,430.15 and 214,772.10 is: 322,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,620.10 : 1,319,430.15 = 214,772.10 : x
  2. Step 2: Convert to fraction form
    879,620.10/1,319,430.15 = 214,772.10/x
  3. Step 3: Cross multiply
    879,620.10x = 1,319,430.15 × 214,772.10
  4. Step 4: Simplify right side
    879,620.10x = 283,376,784,118.82
  5. Step 5: Solve for x
    x = 283,376,784,118.82/879,620.10
  6. Step 6: Final answer
    x = 322,158.15

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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.