Home / 909,382.69-1,254,940.49-501,501.52

Finding the Fourth Proportional to 909,382.69, 1,254,940.49 and 501,501.52

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Solution

The fourth proportional to 909,382.69, 1,254,940.49 and 501,501.52 is: 692,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,382.69 : 1,254,940.49 = 501,501.52 : x
  2. Step 2: Convert to fraction form
    909,382.69/1,254,940.49 = 501,501.52/x
  3. Step 3: Cross multiply
    909,382.69x = 1,254,940.49 × 501,501.52
  4. Step 4: Simplify right side
    909,382.69x = 629,354,554,462.34
  5. Step 5: Solve for x
    x = 629,354,554,462.34/909,382.69
  6. Step 6: Final answer
    x = 692,067.89

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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.