Home / 898,074.40-1,239,360.72-495,665.44

Finding the Fourth Proportional to 898,074.40, 1,239,360.72 and 495,665.44

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Solution

The fourth proportional to 898,074.40, 1,239,360.72 and 495,665.44 is: 684,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,074.40 : 1,239,360.72 = 495,665.44 : x
  2. Step 2: Convert to fraction form
    898,074.40/1,239,360.72 = 495,665.44/x
  3. Step 3: Cross multiply
    898,074.40x = 1,239,360.72 × 495,665.44
  4. Step 4: Simplify right side
    898,074.40x = 614,308,276,597.52
  5. Step 5: Solve for x
    x = 614,308,276,597.52/898,074.40
  6. Step 6: Final answer
    x = 684,028.27

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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.