Home / 877,821.90-1,211,492.82-495,873.26

Finding the Fourth Proportional to 877,821.90, 1,211,492.82 and 495,873.26

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Solution

The fourth proportional to 877,821.90, 1,211,492.82 and 495,873.26 is: 684,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,821.90 : 1,211,492.82 = 495,873.26 : x
  2. Step 2: Convert to fraction form
    877,821.90/1,211,492.82 = 495,873.26/x
  3. Step 3: Cross multiply
    877,821.90x = 1,211,492.82 × 495,873.26
  4. Step 4: Simplify right side
    877,821.90x = 600,746,894,119.99
  5. Step 5: Solve for x
    x = 600,746,894,119.99/877,821.90
  6. Step 6: Final answer
    x = 684,360.80

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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.