Home / 989,396.73-1,365,365.10-536,687.73

Finding the Fourth Proportional to 989,396.73, 1,365,365.10 and 536,687.73

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Solution

The fourth proportional to 989,396.73, 1,365,365.10 and 536,687.73 is: 740,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,396.73 : 1,365,365.10 = 536,687.73 : x
  2. Step 2: Convert to fraction form
    989,396.73/1,365,365.10 = 536,687.73/x
  3. Step 3: Cross multiply
    989,396.73x = 1,365,365.10 × 536,687.73
  4. Step 4: Simplify right side
    989,396.73x = 732,774,696,140.22
  5. Step 5: Solve for x
    x = 732,774,696,140.22/989,396.73
  6. Step 6: Final answer
    x = 740,627.77

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1.5x scale

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.