Home / 993,399.36-1,370,890.08-540,689.28

Finding the Fourth Proportional to 993,399.36, 1,370,890.08 and 540,689.28

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Solution

The fourth proportional to 993,399.36, 1,370,890.08 and 540,689.28 is: 746,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,399.36 : 1,370,890.08 = 540,689.28 : x
  2. Step 2: Convert to fraction form
    993,399.36/1,370,890.08 = 540,689.28/x
  3. Step 3: Cross multiply
    993,399.36x = 1,370,890.08 × 540,689.28
  4. Step 4: Simplify right side
    993,399.36x = 741,225,570,314.34
  5. Step 5: Solve for x
    x = 741,225,570,314.34/993,399.36
  6. Step 6: Final answer
    x = 746,150.64

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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.