Home / 914,918.53-1,262,572.15-507,019.54

Finding the Fourth Proportional to 914,918.53, 1,262,572.15 and 507,019.54

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Solution

The fourth proportional to 914,918.53, 1,262,572.15 and 507,019.54 is: 699,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,918.53 : 1,262,572.15 = 507,019.54 : x
  2. Step 2: Convert to fraction form
    914,918.53/1,262,572.15 = 507,019.54/x
  3. Step 3: Cross multiply
    914,918.53x = 1,262,572.15 × 507,019.54
  4. Step 4: Simplify right side
    914,918.53x = 640,148,750,709.81
  5. Step 5: Solve for x
    x = 640,148,750,709.81/914,918.53
  6. Step 6: Final answer
    x = 699,678.42

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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.