Home / 879,216.72-1,213,384.32-492,071.04

Finding the Fourth Proportional to 879,216.72, 1,213,384.32 and 492,071.04

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Solution

The fourth proportional to 879,216.72, 1,213,384.32 and 492,071.04 is: 679,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,216.72 : 1,213,384.32 = 492,071.04 : x
  2. Step 2: Convert to fraction form
    879,216.72/1,213,384.32 = 492,071.04/x
  3. Step 3: Cross multiply
    879,216.72x = 1,213,384.32 × 492,071.04
  4. Step 4: Simplify right side
    879,216.72x = 597,071,284,262.09
  5. Step 5: Solve for x
    x = 597,071,284,262.09/879,216.72
  6. Step 6: Final answer
    x = 679,094.55

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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.