Home / 626,723.16-864,877.98-340,242.84

Finding the Fourth Proportional to 626,723.16, 864,877.98 and 340,242.84

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Solution

The fourth proportional to 626,723.16, 864,877.98 and 340,242.84 is: 469,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,723.16 : 864,877.98 = 340,242.84 : x
  2. Step 2: Convert to fraction form
    626,723.16/864,877.98 = 340,242.84/x
  3. Step 3: Cross multiply
    626,723.16x = 864,877.98 × 340,242.84
  4. Step 4: Simplify right side
    626,723.16x = 294,268,540,168.66
  5. Step 5: Solve for x
    x = 294,268,540,168.66/626,723.16
  6. Step 6: Final answer
    x = 469,535.13

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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.