Home / 677,230.10-1,014,923.55-480,007.70

Finding the Fourth Proportional to 677,230.10, 1,014,923.55 and 480,007.70

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Solution

The fourth proportional to 677,230.10, 1,014,923.55 and 480,007.70 is: 719,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,230.10 : 1,014,923.55 = 480,007.70 : x
  2. Step 2: Convert to fraction form
    677,230.10/1,014,923.55 = 480,007.70/x
  3. Step 3: Cross multiply
    677,230.10x = 1,014,923.55 × 480,007.70
  4. Step 4: Simplify right side
    677,230.10x = 487,171,118,911.34
  5. Step 5: Solve for x
    x = 487,171,118,911.34/677,230.10
  6. Step 6: Final answer
    x = 719,358.34

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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.