Home / 698,886.83-1,048,728.47-272,367.16

Finding the Fourth Proportional to 698,886.83, 1,048,728.47 and 272,367.16

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Solution

The fourth proportional to 698,886.83, 1,048,728.47 and 272,367.16 is: 408,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,886.83 : 1,048,728.47 = 272,367.16 : x
  2. Step 2: Convert to fraction form
    698,886.83/1,048,728.47 = 272,367.16/x
  3. Step 3: Cross multiply
    698,886.83x = 1,048,728.47 × 272,367.16
  4. Step 4: Simplify right side
    698,886.83x = 285,639,191,001.39
  5. Step 5: Solve for x
    x = 285,639,191,001.39/698,886.83
  6. Step 6: Final answer
    x = 408,705.93

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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.