Home / 454,318.40-681,477.60-348,030.20

Finding the Fourth Proportional to 454,318.40, 681,477.60 and 348,030.20

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Solution

The fourth proportional to 454,318.40, 681,477.60 and 348,030.20 is: 522,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,318.40 : 681,477.60 = 348,030.20 : x
  2. Step 2: Convert to fraction form
    454,318.40/681,477.60 = 348,030.20/x
  3. Step 3: Cross multiply
    454,318.40x = 681,477.60 × 348,030.20
  4. Step 4: Simplify right side
    454,318.40x = 237,174,785,423.52
  5. Step 5: Solve for x
    x = 237,174,785,423.52/454,318.40
  6. Step 6: Final answer
    x = 522,045.30

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Similar ratio
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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.