Home / 877,977.78-1,316,361.48-345,559.94

Finding the Fourth Proportional to 877,977.78, 1,316,361.48 and 345,559.94

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Solution

The fourth proportional to 877,977.78, 1,316,361.48 and 345,559.94 is: 518,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,977.78 : 1,316,361.48 = 345,559.94 : x
  2. Step 2: Convert to fraction form
    877,977.78/1,316,361.48 = 345,559.94/x
  3. Step 3: Cross multiply
    877,977.78x = 1,316,361.48 × 345,559.94
  4. Step 4: Simplify right side
    877,977.78x = 454,881,794,047.11
  5. Step 5: Solve for x
    x = 454,881,794,047.11/877,977.78
  6. Step 6: Final answer
    x = 518,101.72

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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.