Home / 938,417.40-1,295,017.74-508,696.20

Finding the Fourth Proportional to 938,417.40, 1,295,017.74 and 508,696.20

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Solution

The fourth proportional to 938,417.40, 1,295,017.74 and 508,696.20 is: 702,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,417.40 : 1,295,017.74 = 508,696.20 : x
  2. Step 2: Convert to fraction form
    938,417.40/1,295,017.74 = 508,696.20/x
  3. Step 3: Cross multiply
    938,417.40x = 1,295,017.74 × 508,696.20
  4. Step 4: Simplify right side
    938,417.40x = 658,770,603,270.59
  5. Step 5: Solve for x
    x = 658,770,603,270.59/938,417.40
  6. Step 6: Final answer
    x = 702,001.69

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Double scale
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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.