Home / 877,903.71-1,316,961.06-309,167.25

Finding the Fourth Proportional to 877,903.71, 1,316,961.06 and 309,167.25

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Solution

The fourth proportional to 877,903.71, 1,316,961.06 and 309,167.25 is: 463,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,903.71 : 1,316,961.06 = 309,167.25 : x
  2. Step 2: Convert to fraction form
    877,903.71/1,316,961.06 = 309,167.25/x
  3. Step 3: Cross multiply
    877,903.71x = 1,316,961.06 × 309,167.25
  4. Step 4: Simplify right side
    877,903.71x = 407,161,229,277.29
  5. Step 5: Solve for x
    x = 407,161,229,277.29/877,903.71
  6. Step 6: Final answer
    x = 463,788.03

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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.