Home / 775,477.40-1,069,721.84-453,119.06

Finding the Fourth Proportional to 775,477.40, 1,069,721.84 and 453,119.06

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Solution

The fourth proportional to 775,477.40, 1,069,721.84 and 453,119.06 is: 625,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,477.40 : 1,069,721.84 = 453,119.06 : x
  2. Step 2: Convert to fraction form
    775,477.40/1,069,721.84 = 453,119.06/x
  3. Step 3: Cross multiply
    775,477.40x = 1,069,721.84 × 453,119.06
  4. Step 4: Simplify right side
    775,477.40x = 484,711,358,409.37
  5. Step 5: Solve for x
    x = 484,711,358,409.37/775,477.40
  6. Step 6: Final answer
    x = 625,048.98

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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.