Home / 878,904.85-1,316,993.62-609,558.37

Finding the Fourth Proportional to 878,904.85, 1,316,993.62 and 609,558.37

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Solution

The fourth proportional to 878,904.85, 1,316,993.62 and 609,558.37 is: 913,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,904.85 : 1,316,993.62 = 609,558.37 : x
  2. Step 2: Convert to fraction form
    878,904.85/1,316,993.62 = 609,558.37/x
  3. Step 3: Cross multiply
    878,904.85x = 1,316,993.62 × 609,558.37
  4. Step 4: Simplify right side
    878,904.85x = 802,784,484,307.60
  5. Step 5: Solve for x
    x = 802,784,484,307.60/878,904.85
  6. Step 6: Final answer
    x = 913,391.80

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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.