Home / 989,206.60-1,365,113.78-536,497.60

Finding the Fourth Proportional to 989,206.60, 1,365,113.78 and 536,497.60

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Solution

The fourth proportional to 989,206.60, 1,365,113.78 and 536,497.60 is: 740,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,206.60 : 1,365,113.78 = 536,497.60 : x
  2. Step 2: Convert to fraction form
    989,206.60/1,365,113.78 = 536,497.60/x
  3. Step 3: Cross multiply
    989,206.60x = 1,365,113.78 × 536,497.60
  4. Step 4: Simplify right side
    989,206.60x = 732,380,266,696.93
  5. Step 5: Solve for x
    x = 732,380,266,696.93/989,206.60
  6. Step 6: Final answer
    x = 740,371.39

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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.