Home / 871,698.56-1,307,622.92-240,612.40

Finding the Fourth Proportional to 871,698.56, 1,307,622.92 and 240,612.40

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Solution

The fourth proportional to 871,698.56, 1,307,622.92 and 240,612.40 is: 360,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,698.56 : 1,307,622.92 = 240,612.40 : x
  2. Step 2: Convert to fraction form
    871,698.56/1,307,622.92 = 240,612.40/x
  3. Step 3: Cross multiply
    871,698.56x = 1,307,622.92 × 240,612.40
  4. Step 4: Simplify right side
    871,698.56x = 314,630,289,076.21
  5. Step 5: Solve for x
    x = 314,630,289,076.21/871,698.56
  6. Step 6: Final answer
    x = 360,939.32

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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.