Home / 626,420.94-864,461.45-339,941.03

Finding the Fourth Proportional to 626,420.94, 864,461.45 and 339,941.03

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Solution

The fourth proportional to 626,420.94, 864,461.45 and 339,941.03 is: 469,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,420.94 : 864,461.45 = 339,941.03 : x
  2. Step 2: Convert to fraction form
    626,420.94/864,461.45 = 339,941.03/x
  3. Step 3: Cross multiply
    626,420.94x = 864,461.45 × 339,941.03
  4. Step 4: Simplify right side
    626,420.94x = 293,865,909,686.28
  5. Step 5: Solve for x
    x = 293,865,909,686.28/626,420.94
  6. Step 6: Final answer
    x = 469,118.91

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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.