Home / 993,688.35-1,371,289.90-540,979.35

Finding the Fourth Proportional to 993,688.35, 1,371,289.90 and 540,979.35

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Solution

The fourth proportional to 993,688.35, 1,371,289.90 and 540,979.35 is: 746,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,688.35 : 1,371,289.90 = 540,979.35 : x
  2. Step 2: Convert to fraction form
    993,688.35/1,371,289.90 = 540,979.35/x
  3. Step 3: Cross multiply
    993,688.35x = 1,371,289.90 × 540,979.35
  4. Step 4: Simplify right side
    993,688.35x = 741,839,518,763.57
  5. Step 5: Solve for x
    x = 741,839,518,763.57/993,688.35
  6. Step 6: Final answer
    x = 746,551.49

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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.