Home / 993,690.35-1,371,292.67-540,981.35

Finding the Fourth Proportional to 993,690.35, 1,371,292.67 and 540,981.35

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Solution

The fourth proportional to 993,690.35, 1,371,292.67 and 540,981.35 is: 746,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,690.35 : 1,371,292.67 = 540,981.35 : x
  2. Step 2: Convert to fraction form
    993,690.35/1,371,292.67 = 540,981.35/x
  3. Step 3: Cross multiply
    993,690.35x = 1,371,292.67 × 540,981.35
  4. Step 4: Simplify right side
    993,690.35x = 741,843,750,300.33
  5. Step 5: Solve for x
    x = 741,843,750,300.33/993,690.35
  6. Step 6: Final answer
    x = 746,554.25

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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.