Home / 910,954.67-1,365,344.85-423,981.52

Finding the Fourth Proportional to 910,954.67, 1,365,344.85 and 423,981.52

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Solution

The fourth proportional to 910,954.67, 1,365,344.85 and 423,981.52 is: 635,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,954.67 : 1,365,344.85 = 423,981.52 : x
  2. Step 2: Convert to fraction form
    910,954.67/1,365,344.85 = 423,981.52/x
  3. Step 3: Cross multiply
    910,954.67x = 1,365,344.85 × 423,981.52
  4. Step 4: Simplify right side
    910,954.67x = 578,880,981,413.81
  5. Step 5: Solve for x
    x = 578,880,981,413.81/910,954.67
  6. Step 6: Final answer
    x = 635,466.29

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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.