Home / 788,511.70-1,181,017.95-314,953.30

Finding the Fourth Proportional to 788,511.70, 1,181,017.95 and 314,953.30

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Solution

The fourth proportional to 788,511.70, 1,181,017.95 and 314,953.30 is: 471,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,511.70 : 1,181,017.95 = 314,953.30 : x
  2. Step 2: Convert to fraction form
    788,511.70/1,181,017.95 = 314,953.30/x
  3. Step 3: Cross multiply
    788,511.70x = 1,181,017.95 × 314,953.30
  4. Step 4: Simplify right side
    788,511.70x = 371,965,500,711.74
  5. Step 5: Solve for x
    x = 371,965,500,711.74/788,511.70
  6. Step 6: Final answer
    x = 471,731.11

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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.