Home / 818,667.94-1,228,223.45-463,931.07

Finding the Fourth Proportional to 818,667.94, 1,228,223.45 and 463,931.07

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Solution

The fourth proportional to 818,667.94, 1,228,223.45 and 463,931.07 is: 696,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,667.94 : 1,228,223.45 = 463,931.07 : x
  2. Step 2: Convert to fraction form
    818,667.94/1,228,223.45 = 463,931.07/x
  3. Step 3: Cross multiply
    818,667.94x = 1,228,223.45 × 463,931.07
  4. Step 4: Simplify right side
    818,667.94x = 569,811,019,365.96
  5. Step 5: Solve for x
    x = 569,811,019,365.96/818,667.94
  6. Step 6: Final answer
    x = 696,022.15

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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.