Home / 871,563.96-1,307,421.34-240,477.71

Finding the Fourth Proportional to 871,563.96, 1,307,421.34 and 240,477.71

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Solution

The fourth proportional to 871,563.96, 1,307,421.34 and 240,477.71 is: 360,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,563.96 : 1,307,421.34 = 240,477.71 : x
  2. Step 2: Convert to fraction form
    871,563.96/1,307,421.34 = 240,477.71/x
  3. Step 3: Cross multiply
    871,563.96x = 1,307,421.34 × 240,477.71
  4. Step 4: Simplify right side
    871,563.96x = 314,405,682,710.03
  5. Step 5: Solve for x
    x = 314,405,682,710.03/871,563.96
  6. Step 6: Final answer
    x = 360,737.36

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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.