Home / 674,417.80-1,011,497.10-201,118.60

Finding the Fourth Proportional to 674,417.80, 1,011,497.10 and 201,118.60

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Solution

The fourth proportional to 674,417.80, 1,011,497.10 and 201,118.60 is: 301,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,417.80 : 1,011,497.10 = 201,118.60 : x
  2. Step 2: Convert to fraction form
    674,417.80/1,011,497.10 = 201,118.60/x
  3. Step 3: Cross multiply
    674,417.80x = 1,011,497.10 × 201,118.60
  4. Step 4: Simplify right side
    674,417.80x = 203,430,880,656.06
  5. Step 5: Solve for x
    x = 203,430,880,656.06/674,417.80
  6. Step 6: Final answer
    x = 301,639.25

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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.