Home / 803,307.79-1,108,576.06-440,725.06

Finding the Fourth Proportional to 803,307.79, 1,108,576.06 and 440,725.06

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Solution

The fourth proportional to 803,307.79, 1,108,576.06 and 440,725.06 is: 608,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,307.79 : 1,108,576.06 = 440,725.06 : x
  2. Step 2: Convert to fraction form
    803,307.79/1,108,576.06 = 440,725.06/x
  3. Step 3: Cross multiply
    803,307.79x = 1,108,576.06 × 440,725.06
  4. Step 4: Simplify right side
    803,307.79x = 488,577,250,558.06
  5. Step 5: Solve for x
    x = 488,577,250,558.06/803,307.79
  6. Step 6: Final answer
    x = 608,206.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.