Home / 938,012.40-1,294,458.37-508,292.21

Finding the Fourth Proportional to 938,012.40, 1,294,458.37 and 508,292.21

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Solution

The fourth proportional to 938,012.40, 1,294,458.37 and 508,292.21 is: 701,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,012.40 : 1,294,458.37 = 508,292.21 : x
  2. Step 2: Convert to fraction form
    938,012.40/1,294,458.37 = 508,292.21/x
  3. Step 3: Cross multiply
    938,012.40x = 1,294,458.37 × 508,292.21
  4. Step 4: Simplify right side
    938,012.40x = 657,963,107,605.71
  5. Step 5: Solve for x
    x = 657,963,107,605.71/938,012.40
  6. Step 6: Final answer
    x = 701,443.93

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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.