Home / 745,982.67-1,118,972.98-346,404.94

Finding the Fourth Proportional to 745,982.67, 1,118,972.98 and 346,404.94

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Solution

The fourth proportional to 745,982.67, 1,118,972.98 and 346,404.94 is: 519,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,982.67 : 1,118,972.98 = 346,404.94 : x
  2. Step 2: Convert to fraction form
    745,982.67/1,118,972.98 = 346,404.94/x
  3. Step 3: Cross multiply
    745,982.67x = 1,118,972.98 × 346,404.94
  4. Step 4: Simplify right side
    745,982.67x = 387,617,767,998.52
  5. Step 5: Solve for x
    x = 387,617,767,998.52/745,982.67
  6. Step 6: Final answer
    x = 519,606.93

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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.