Home / 501,180.96-752,413.22-430,555.44

Finding the Fourth Proportional to 501,180.96, 752,413.22 and 430,555.44

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Solution

The fourth proportional to 501,180.96, 752,413.22 and 430,555.44 is: 646,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,180.96 : 752,413.22 = 430,555.44 : x
  2. Step 2: Convert to fraction form
    501,180.96/752,413.22 = 430,555.44/x
  3. Step 3: Cross multiply
    501,180.96x = 752,413.22 × 430,555.44
  4. Step 4: Simplify right side
    501,180.96x = 323,955,604,998.92
  5. Step 5: Solve for x
    x = 323,955,604,998.92/501,180.96
  6. Step 6: Final answer
    x = 646,384.50

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Double scale
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1.5x scale

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.