Home / 877,616.56-1,316,424.84-308,863.72

Finding the Fourth Proportional to 877,616.56, 1,316,424.84 and 308,863.72

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Solution

The fourth proportional to 877,616.56, 1,316,424.84 and 308,863.72 is: 463,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,616.56 : 1,316,424.84 = 308,863.72 : x
  2. Step 2: Convert to fraction form
    877,616.56/1,316,424.84 = 308,863.72/x
  3. Step 3: Cross multiply
    877,616.56x = 1,316,424.84 × 308,863.72
  4. Step 4: Simplify right side
    877,616.56x = 406,595,873,182.81
  5. Step 5: Solve for x
    x = 406,595,873,182.81/877,616.56
  6. Step 6: Final answer
    x = 463,295.58

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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.