Home / 902,128.65-1,244,938.58-488,666.28

Finding the Fourth Proportional to 902,128.65, 1,244,938.58 and 488,666.28

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Solution

The fourth proportional to 902,128.65, 1,244,938.58 and 488,666.28 is: 674,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,128.65 : 1,244,938.58 = 488,666.28 : x
  2. Step 2: Convert to fraction form
    902,128.65/1,244,938.58 = 488,666.28/x
  3. Step 3: Cross multiply
    902,128.65x = 1,244,938.58 × 488,666.28
  4. Step 4: Simplify right side
    902,128.65x = 608,359,502,273.75
  5. Step 5: Solve for x
    x = 608,359,502,273.75/902,128.65
  6. Step 6: Final answer
    x = 674,360.03

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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.