Home / 671,629.70-1,007,444.55-620,308.10

Finding the Fourth Proportional to 671,629.70, 1,007,444.55 and 620,308.10

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Solution

The fourth proportional to 671,629.70, 1,007,444.55 and 620,308.10 is: 930,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,629.70 : 1,007,444.55 = 620,308.10 : x
  2. Step 2: Convert to fraction form
    671,629.70/1,007,444.55 = 620,308.10/x
  3. Step 3: Cross multiply
    671,629.70x = 1,007,444.55 × 620,308.10
  4. Step 4: Simplify right side
    671,629.70x = 624,926,014,665.86
  5. Step 5: Solve for x
    x = 624,926,014,665.86/671,629.70
  6. Step 6: Final answer
    x = 930,462.15

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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.