Home / 875,361.36-1,312,516.35-342,247.17

Finding the Fourth Proportional to 875,361.36, 1,312,516.35 and 342,247.17

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Solution

The fourth proportional to 875,361.36, 1,312,516.35 and 342,247.17 is: 513,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,361.36 : 1,312,516.35 = 342,247.17 : x
  2. Step 2: Convert to fraction form
    875,361.36/1,312,516.35 = 342,247.17/x
  3. Step 3: Cross multiply
    875,361.36x = 1,312,516.35 × 342,247.17
  4. Step 4: Simplify right side
    875,361.36x = 449,205,006,366.23
  5. Step 5: Solve for x
    x = 449,205,006,366.23/875,361.36
  6. Step 6: Final answer
    x = 513,165.22

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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.