Home / 692,112.60-1,037,051.10-391,699.80

Finding the Fourth Proportional to 692,112.60, 1,037,051.10 and 391,699.80

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Solution

The fourth proportional to 692,112.60, 1,037,051.10 and 391,699.80 is: 586,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,112.60 : 1,037,051.10 = 391,699.80 : x
  2. Step 2: Convert to fraction form
    692,112.60/1,037,051.10 = 391,699.80/x
  3. Step 3: Cross multiply
    692,112.60x = 1,037,051.10 × 391,699.80
  4. Step 4: Simplify right side
    692,112.60x = 406,212,708,459.78
  5. Step 5: Solve for x
    x = 406,212,708,459.78/692,112.60
  6. Step 6: Final answer
    x = 586,917.08

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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.