Home / 630,133.04-869,635.36-358,286.24

Finding the Fourth Proportional to 630,133.04, 869,635.36 and 358,286.24

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Solution

The fourth proportional to 630,133.04, 869,635.36 and 358,286.24 is: 494,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,133.04 : 869,635.36 = 358,286.24 : x
  2. Step 2: Convert to fraction form
    630,133.04/869,635.36 = 358,286.24/x
  3. Step 3: Cross multiply
    630,133.04x = 869,635.36 × 358,286.24
  4. Step 4: Simplify right side
    630,133.04x = 311,578,383,305.45
  5. Step 5: Solve for x
    x = 311,578,383,305.45/630,133.04
  6. Step 6: Final answer
    x = 494,464.44

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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.