Home / 888,014.84-1,225,580.40-500,909.72

Finding the Fourth Proportional to 888,014.84, 1,225,580.40 and 500,909.72

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Solution

The fourth proportional to 888,014.84, 1,225,580.40 and 500,909.72 is: 691,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,014.84 : 1,225,580.40 = 500,909.72 : x
  2. Step 2: Convert to fraction form
    888,014.84/1,225,580.40 = 500,909.72/x
  3. Step 3: Cross multiply
    888,014.84x = 1,225,580.40 × 500,909.72
  4. Step 4: Simplify right side
    888,014.84x = 613,905,135,001.49
  5. Step 5: Solve for x
    x = 613,905,135,001.49/888,014.84
  6. Step 6: Final answer
    x = 691,323.06

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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.