Home / 749,588.58-1,034,428.95-405,424.89

Finding the Fourth Proportional to 749,588.58, 1,034,428.95 and 405,424.89

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Solution

The fourth proportional to 749,588.58, 1,034,428.95 and 405,424.89 is: 559,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,588.58 : 1,034,428.95 = 405,424.89 : x
  2. Step 2: Convert to fraction form
    749,588.58/1,034,428.95 = 405,424.89/x
  3. Step 3: Cross multiply
    749,588.58x = 1,034,428.95 × 405,424.89
  4. Step 4: Simplify right side
    749,588.58x = 419,383,243,266.57
  5. Step 5: Solve for x
    x = 419,383,243,266.57/749,588.58
  6. Step 6: Final answer
    x = 559,484.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.