Home / 626,534.35-864,618.15-340,054.50

Finding the Fourth Proportional to 626,534.35, 864,618.15 and 340,054.50

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Solution

The fourth proportional to 626,534.35, 864,618.15 and 340,054.50 is: 469,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,534.35 : 864,618.15 = 340,054.50 : x
  2. Step 2: Convert to fraction form
    626,534.35/864,618.15 = 340,054.50/x
  3. Step 3: Cross multiply
    626,534.35x = 864,618.15 × 340,054.50
  4. Step 4: Simplify right side
    626,534.35x = 294,017,292,689.18
  5. Step 5: Solve for x
    x = 294,017,292,689.18/626,534.35
  6. Step 6: Final answer
    x = 469,275.62

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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.