Home / 671,931.40-1,006,514.70-461,806.60

Finding the Fourth Proportional to 671,931.40, 1,006,514.70 and 461,806.60

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Solution

The fourth proportional to 671,931.40, 1,006,514.70 and 461,806.60 is: 691,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,931.40 : 1,006,514.70 = 461,806.60 : x
  2. Step 2: Convert to fraction form
    671,931.40/1,006,514.70 = 461,806.60/x
  3. Step 3: Cross multiply
    671,931.40x = 1,006,514.70 × 461,806.60
  4. Step 4: Simplify right side
    671,931.40x = 464,815,131,457.02
  5. Step 5: Solve for x
    x = 464,815,131,457.02/671,931.40
  6. Step 6: Final answer
    x = 691,759.80

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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.