Home / 692,175.60-1,037,145.60-391,762.80

Finding the Fourth Proportional to 692,175.60, 1,037,145.60 and 391,762.80

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Solution

The fourth proportional to 692,175.60, 1,037,145.60 and 391,762.80 is: 587,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,175.60 : 1,037,145.60 = 391,762.80 : x
  2. Step 2: Convert to fraction form
    692,175.60/1,037,145.60 = 391,762.80/x
  3. Step 3: Cross multiply
    692,175.60x = 1,037,145.60 × 391,762.80
  4. Step 4: Simplify right side
    692,175.60x = 406,315,064,263.68
  5. Step 5: Solve for x
    x = 406,315,064,263.68/692,175.60
  6. Step 6: Final answer
    x = 587,011.54

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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.