Home / 879,790.58-1,213,828.85-492,549.08

Finding the Fourth Proportional to 879,790.58, 1,213,828.85 and 492,549.08

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Solution

The fourth proportional to 879,790.58, 1,213,828.85 and 492,549.08 is: 679,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,790.58 : 1,213,828.85 = 492,549.08 : x
  2. Step 2: Convert to fraction form
    879,790.58/1,213,828.85 = 492,549.08/x
  3. Step 3: Cross multiply
    879,790.58x = 1,213,828.85 × 492,549.08
  4. Step 4: Simplify right side
    879,790.58x = 597,870,285,148.16
  5. Step 5: Solve for x
    x = 597,870,285,148.16/879,790.58
  6. Step 6: Final answer
    x = 679,559.77

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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.