Home / 762,495.84-1,143,797.04-313,239.36

Finding the Fourth Proportional to 762,495.84, 1,143,797.04 and 313,239.36

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Solution

The fourth proportional to 762,495.84, 1,143,797.04 and 313,239.36 is: 469,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,495.84 : 1,143,797.04 = 313,239.36 : x
  2. Step 2: Convert to fraction form
    762,495.84/1,143,797.04 = 313,239.36/x
  3. Step 3: Cross multiply
    762,495.84x = 1,143,797.04 × 313,239.36
  4. Step 4: Simplify right side
    762,495.84x = 358,282,252,779.49
  5. Step 5: Solve for x
    x = 358,282,252,779.49/762,495.84
  6. Step 6: Final answer
    x = 469,880.93

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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.