Home / 917,999.60-1,266,814.26-510,090.96

Finding the Fourth Proportional to 917,999.60, 1,266,814.26 and 510,090.96

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Solution

The fourth proportional to 917,999.60, 1,266,814.26 and 510,090.96 is: 703,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,999.60 : 1,266,814.26 = 510,090.96 : x
  2. Step 2: Convert to fraction form
    917,999.60/1,266,814.26 = 510,090.96/x
  3. Step 3: Cross multiply
    917,999.60x = 1,266,814.26 × 510,090.96
  4. Step 4: Simplify right side
    917,999.60x = 646,190,502,025.09
  5. Step 5: Solve for x
    x = 646,190,502,025.09/917,999.60
  6. Step 6: Final answer
    x = 703,911.53

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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.