Home / 626,421.24-864,463.56-339,941.16

Finding the Fourth Proportional to 626,421.24, 864,463.56 and 339,941.16

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Solution

The fourth proportional to 626,421.24, 864,463.56 and 339,941.16 is: 469,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,421.24 : 864,463.56 = 339,941.16 : x
  2. Step 2: Convert to fraction form
    626,421.24/864,463.56 = 339,941.16/x
  3. Step 3: Cross multiply
    626,421.24x = 864,463.56 × 339,941.16
  4. Step 4: Simplify right side
    626,421.24x = 293,866,745,364.13
  5. Step 5: Solve for x
    x = 293,866,745,364.13/626,421.24
  6. Step 6: Final answer
    x = 469,120.02

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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.