Home / 1,477,804.40-2,216,384.84-398,291.76

Finding the Fourth Proportional to 1,477,804.40, 2,216,384.84 and 398,291.76

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Solution

The fourth proportional to 1,477,804.40, 2,216,384.84 and 398,291.76 is: 597,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,804.40 : 2,216,384.84 = 398,291.76 : x
  2. Step 2: Convert to fraction form
    1,477,804.40/2,216,384.84 = 398,291.76/x
  3. Step 3: Cross multiply
    1,477,804.40x = 2,216,384.84 × 398,291.76
  4. Step 4: Simplify right side
    1,477,804.40x = 882,767,818,760.92
  5. Step 5: Solve for x
    x = 882,767,818,760.92/1,477,804.40
  6. Step 6: Final answer
    x = 597,350.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.