Home / 873,931.83-1,206,048.74-491,972.55

Finding the Fourth Proportional to 873,931.83, 1,206,048.74 and 491,972.55

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Solution

The fourth proportional to 873,931.83, 1,206,048.74 and 491,972.55 is: 678,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,931.83 : 1,206,048.74 = 491,972.55 : x
  2. Step 2: Convert to fraction form
    873,931.83/1,206,048.74 = 491,972.55/x
  3. Step 3: Cross multiply
    873,931.83x = 1,206,048.74 × 491,972.55
  4. Step 4: Simplify right side
    873,931.83x = 593,342,871,582.22
  5. Step 5: Solve for x
    x = 593,342,871,582.22/873,931.83
  6. Step 6: Final answer
    x = 678,934.96

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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.