Home / 671,465.50-1,006,222.30-430,824.42

Finding the Fourth Proportional to 671,465.50, 1,006,222.30 and 430,824.42

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Solution

The fourth proportional to 671,465.50, 1,006,222.30 and 430,824.42 is: 645,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,465.50 : 1,006,222.30 = 430,824.42 : x
  2. Step 2: Convert to fraction form
    671,465.50/1,006,222.30 = 430,824.42/x
  3. Step 3: Cross multiply
    671,465.50x = 1,006,222.30 × 430,824.42
  4. Step 4: Simplify right side
    671,465.50x = 433,505,137,711.51
  5. Step 5: Solve for x
    x = 433,505,137,711.51/671,465.50
  6. Step 6: Final answer
    x = 645,610.44

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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.