Home / 864,504.54-1,296,641.94-257,281.95

Finding the Fourth Proportional to 864,504.54, 1,296,641.94 and 257,281.95

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Solution

The fourth proportional to 864,504.54, 1,296,641.94 and 257,281.95 is: 385,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,504.54 : 1,296,641.94 = 257,281.95 : x
  2. Step 2: Convert to fraction form
    864,504.54/1,296,641.94 = 257,281.95/x
  3. Step 3: Cross multiply
    864,504.54x = 1,296,641.94 × 257,281.95
  4. Step 4: Simplify right side
    864,504.54x = 333,602,566,774.98
  5. Step 5: Solve for x
    x = 333,602,566,774.98/864,504.54
  6. Step 6: Final answer
    x = 385,888.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.