Home / 983,499.09-1,357,270.63-547,916.19

Finding the Fourth Proportional to 983,499.09, 1,357,270.63 and 547,916.19

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Solution

The fourth proportional to 983,499.09, 1,357,270.63 and 547,916.19 is: 756,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,499.09 : 1,357,270.63 = 547,916.19 : x
  2. Step 2: Convert to fraction form
    983,499.09/1,357,270.63 = 547,916.19/x
  3. Step 3: Cross multiply
    983,499.09x = 1,357,270.63 × 547,916.19
  4. Step 4: Simplify right side
    983,499.09x = 743,670,542,862.57
  5. Step 5: Solve for x
    x = 743,670,542,862.57/983,499.09
  6. Step 6: Final answer
    x = 756,147.67

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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.