Home / 454,320.40-681,480.60-348,032.20

Finding the Fourth Proportional to 454,320.40, 681,480.60 and 348,032.20

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Solution

The fourth proportional to 454,320.40, 681,480.60 and 348,032.20 is: 522,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,320.40 : 681,480.60 = 348,032.20 : x
  2. Step 2: Convert to fraction form
    454,320.40/681,480.60 = 348,032.20/x
  3. Step 3: Cross multiply
    454,320.40x = 681,480.60 × 348,032.20
  4. Step 4: Simplify right side
    454,320.40x = 237,177,192,475.32
  5. Step 5: Solve for x
    x = 237,177,192,475.32/454,320.40
  6. Step 6: Final answer
    x = 522,048.30

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1.5x scale

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.