Home / 871,470.48-1,202,603.06-484,284.60

Finding the Fourth Proportional to 871,470.48, 1,202,603.06 and 484,284.60

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Solution

The fourth proportional to 871,470.48, 1,202,603.06 and 484,284.60 is: 668,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,470.48 : 1,202,603.06 = 484,284.60 : x
  2. Step 2: Convert to fraction form
    871,470.48/1,202,603.06 = 484,284.60/x
  3. Step 3: Cross multiply
    871,470.48x = 1,202,603.06 × 484,284.60
  4. Step 4: Simplify right side
    871,470.48x = 582,402,141,870.88
  5. Step 5: Solve for x
    x = 582,402,141,870.88/871,470.48
  6. Step 6: Final answer
    x = 668,298.19

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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.