Home / 914,316.16-1,371,564.46-315,198.45

Finding the Fourth Proportional to 914,316.16, 1,371,564.46 and 315,198.45

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Solution

The fourth proportional to 914,316.16, 1,371,564.46 and 315,198.45 is: 472,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,316.16 : 1,371,564.46 = 315,198.45 : x
  2. Step 2: Convert to fraction form
    914,316.16/1,371,564.46 = 315,198.45/x
  3. Step 3: Cross multiply
    914,316.16x = 1,371,564.46 × 315,198.45
  4. Step 4: Simplify right side
    914,316.16x = 432,314,991,867.09
  5. Step 5: Solve for x
    x = 432,314,991,867.09/914,316.16
  6. Step 6: Final answer
    x = 472,828.78

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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.