Home / 874,916.28-1,207,378.98-493,065.72

Finding the Fourth Proportional to 874,916.28, 1,207,378.98 and 493,065.72

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Solution

The fourth proportional to 874,916.28, 1,207,378.98 and 493,065.72 is: 680,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,916.28 : 1,207,378.98 = 493,065.72 : x
  2. Step 2: Convert to fraction form
    874,916.28/1,207,378.98 = 493,065.72/x
  3. Step 3: Cross multiply
    874,916.28x = 1,207,378.98 × 493,065.72
  4. Step 4: Simplify right side
    874,916.28x = 595,317,186,086.57
  5. Step 5: Solve for x
    x = 595,317,186,086.57/874,916.28
  6. Step 6: Final answer
    x = 680,427.60

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