Home / 877,711.04-1,211,242.08-495,738.56

Finding the Fourth Proportional to 877,711.04, 1,211,242.08 and 495,738.56

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Solution

The fourth proportional to 877,711.04, 1,211,242.08 and 495,738.56 is: 684,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,711.04 : 1,211,242.08 = 495,738.56 : x
  2. Step 2: Convert to fraction form
    877,711.04/1,211,242.08 = 495,738.56/x
  3. Step 3: Cross multiply
    877,711.04x = 1,211,242.08 × 495,738.56
  4. Step 4: Simplify right side
    877,711.04x = 600,459,404,550.61
  5. Step 5: Solve for x
    x = 600,459,404,550.61/877,711.04
  6. Step 6: Final answer
    x = 684,119.69

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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.