Home / 946,980.28-1,420,483.38-528,916.60

Finding the Fourth Proportional to 946,980.28, 1,420,483.38 and 528,916.60

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Solution

The fourth proportional to 946,980.28, 1,420,483.38 and 528,916.60 is: 793,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,980.28 : 1,420,483.38 = 528,916.60 : x
  2. Step 2: Convert to fraction form
    946,980.28/1,420,483.38 = 528,916.60/x
  3. Step 3: Cross multiply
    946,980.28x = 1,420,483.38 × 528,916.60
  4. Step 4: Simplify right side
    946,980.28x = 751,317,239,706.11
  5. Step 5: Solve for x
    x = 751,317,239,706.11/946,980.28
  6. Step 6: Final answer
    x = 793,382.14

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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.