Home / 908,880.97-1,254,264.51-500,998.54

Finding the Fourth Proportional to 908,880.97, 1,254,264.51 and 500,998.54

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Solution

The fourth proportional to 908,880.97, 1,254,264.51 and 500,998.54 is: 691,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,880.97 : 1,254,264.51 = 500,998.54 : x
  2. Step 2: Convert to fraction form
    908,880.97/1,254,264.51 = 500,998.54/x
  3. Step 3: Cross multiply
    908,880.97x = 1,254,264.51 × 500,998.54
  4. Step 4: Simplify right side
    908,880.97x = 628,384,688,283.82
  5. Step 5: Solve for x
    x = 628,384,688,283.82/908,880.97
  6. Step 6: Final answer
    x = 691,382.82

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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.