Home / 626,535.36-864,619.54-340,055.50

Finding the Fourth Proportional to 626,535.36, 864,619.54 and 340,055.50

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Solution

The fourth proportional to 626,535.36, 864,619.54 and 340,055.50 is: 469,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,535.36 : 864,619.54 = 340,055.50 : x
  2. Step 2: Convert to fraction form
    626,535.36/864,619.54 = 340,055.50/x
  3. Step 3: Cross multiply
    626,535.36x = 864,619.54 × 340,055.50
  4. Step 4: Simplify right side
    626,535.36x = 294,018,629,984.47
  5. Step 5: Solve for x
    x = 294,018,629,984.47/626,535.36
  6. Step 6: Final answer
    x = 469,276.99

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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.