Home / 631,604.64-947,368.08-210,845.28

Finding the Fourth Proportional to 631,604.64, 947,368.08 and 210,845.28

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Solution

The fourth proportional to 631,604.64, 947,368.08 and 210,845.28 is: 316,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,604.64 : 947,368.08 = 210,845.28 : x
  2. Step 2: Convert to fraction form
    631,604.64/947,368.08 = 210,845.28/x
  3. Step 3: Cross multiply
    631,604.64x = 947,368.08 × 210,845.28
  4. Step 4: Simplify right side
    631,604.64x = 199,748,088,090.66
  5. Step 5: Solve for x
    x = 199,748,088,090.66/631,604.64
  6. Step 6: Final answer
    x = 316,254.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.