Home / 871,726.12-1,305,153.41-470,931.03

Finding the Fourth Proportional to 871,726.12, 1,305,153.41 and 470,931.03

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Solution

The fourth proportional to 871,726.12, 1,305,153.41 and 470,931.03 is: 705,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,726.12 : 1,305,153.41 = 470,931.03 : x
  2. Step 2: Convert to fraction form
    871,726.12/1,305,153.41 = 470,931.03/x
  3. Step 3: Cross multiply
    871,726.12x = 1,305,153.41 × 470,931.03
  4. Step 4: Simplify right side
    871,726.12x = 614,637,237,324.66
  5. Step 5: Solve for x
    x = 614,637,237,324.66/871,726.12
  6. Step 6: Final answer
    x = 705,080.67

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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.