Home / 877,150.67-1,210,508.21-484,738.81

Finding the Fourth Proportional to 877,150.67, 1,210,508.21 and 484,738.81

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Solution

The fourth proportional to 877,150.67, 1,210,508.21 and 484,738.81 is: 668,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,150.67 : 1,210,508.21 = 484,738.81 : x
  2. Step 2: Convert to fraction form
    877,150.67/1,210,508.21 = 484,738.81/x
  3. Step 3: Cross multiply
    877,150.67x = 1,210,508.21 × 484,738.81
  4. Step 4: Simplify right side
    877,150.67x = 586,780,303,760.67
  5. Step 5: Solve for x
    x = 586,780,303,760.67/877,150.67
  6. Step 6: Final answer
    x = 668,961.82

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1.5x scale

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.