Home / 902,328.76-1,245,160.02-494,349.40

Finding the Fourth Proportional to 902,328.76, 1,245,160.02 and 494,349.40

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Solution

The fourth proportional to 902,328.76, 1,245,160.02 and 494,349.40 is: 682,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,328.76 : 1,245,160.02 = 494,349.40 : x
  2. Step 2: Convert to fraction form
    902,328.76/1,245,160.02 = 494,349.40/x
  3. Step 3: Cross multiply
    902,328.76x = 1,245,160.02 × 494,349.40
  4. Step 4: Simplify right side
    902,328.76x = 615,544,108,790.99
  5. Step 5: Solve for x
    x = 615,544,108,790.99/902,328.76
  6. Step 6: Final answer
    x = 682,172.77

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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.