Home / 871,637.60-1,202,890.73-484,460.74

Finding the Fourth Proportional to 871,637.60, 1,202,890.73 and 484,460.74

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Solution

The fourth proportional to 871,637.60, 1,202,890.73 and 484,460.74 is: 668,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,637.60 : 1,202,890.73 = 484,460.74 : x
  2. Step 2: Convert to fraction form
    871,637.60/1,202,890.73 = 484,460.74/x
  3. Step 3: Cross multiply
    871,637.60x = 1,202,890.73 × 484,460.74
  4. Step 4: Simplify right side
    871,637.60x = 582,753,330,772.64
  5. Step 5: Solve for x
    x = 582,753,330,772.64/871,637.60
  6. Step 6: Final answer
    x = 668,572.96

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1.5x scale

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.