Home / 765,935.64-1,056,303.06-479,481.80

Finding the Fourth Proportional to 765,935.64, 1,056,303.06 and 479,481.80

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Solution

The fourth proportional to 765,935.64, 1,056,303.06 and 479,481.80 is: 661,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,935.64 : 1,056,303.06 = 479,481.80 : x
  2. Step 2: Convert to fraction form
    765,935.64/1,056,303.06 = 479,481.80/x
  3. Step 3: Cross multiply
    765,935.64x = 1,056,303.06 × 479,481.80
  4. Step 4: Simplify right side
    765,935.64x = 506,478,092,554.31
  5. Step 5: Solve for x
    x = 506,478,092,554.31/765,935.64
  6. Step 6: Final answer
    x = 661,254.11

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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.