Home / 914,382.92-1,261,792.76-506,460.57

Finding the Fourth Proportional to 914,382.92, 1,261,792.76 and 506,460.57

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Solution

The fourth proportional to 914,382.92, 1,261,792.76 and 506,460.57 is: 698,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,382.92 : 1,261,792.76 = 506,460.57 : x
  2. Step 2: Convert to fraction form
    914,382.92/1,261,792.76 = 506,460.57/x
  3. Step 3: Cross multiply
    914,382.92x = 1,261,792.76 × 506,460.57
  4. Step 4: Simplify right side
    914,382.92x = 639,048,277,919.17
  5. Step 5: Solve for x
    x = 639,048,277,919.17/914,382.92
  6. Step 6: Final answer
    x = 698,884.75

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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.