Home / 874,858.13-1,207,304.22-472,450.13

Finding the Fourth Proportional to 874,858.13, 1,207,304.22 and 472,450.13

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Solution

The fourth proportional to 874,858.13, 1,207,304.22 and 472,450.13 is: 651,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,858.13 : 1,207,304.22 = 472,450.13 : x
  2. Step 2: Convert to fraction form
    874,858.13/1,207,304.22 = 472,450.13/x
  3. Step 3: Cross multiply
    874,858.13x = 1,207,304.22 × 472,450.13
  4. Step 4: Simplify right side
    874,858.13x = 570,391,035,688.55
  5. Step 5: Solve for x
    x = 570,391,035,688.55/874,858.13
  6. Step 6: Final answer
    x = 651,981.18

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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.