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Finding the Fourth Proportional to 531,798.51, 797,032.54 and 265,633.32

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Solution

The fourth proportional to 531,798.51, 797,032.54 and 265,633.32 is: 398,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,798.51 : 797,032.54 = 265,633.32 : x
  2. Step 2: Convert to fraction form
    531,798.51/797,032.54 = 265,633.32/x
  3. Step 3: Cross multiply
    531,798.51x = 797,032.54 × 265,633.32
  4. Step 4: Simplify right side
    531,798.51x = 211,718,403,069.15
  5. Step 5: Solve for x
    x = 211,718,403,069.15/531,798.51
  6. Step 6: Final answer
    x = 398,117.70

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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.