Home / 788,511.20-1,181,017.20-314,952.80

Finding the Fourth Proportional to 788,511.20, 1,181,017.20 and 314,952.80

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Solution

The fourth proportional to 788,511.20, 1,181,017.20 and 314,952.80 is: 471,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,511.20 : 1,181,017.20 = 314,952.80 : x
  2. Step 2: Convert to fraction form
    788,511.20/1,181,017.20 = 314,952.80/x
  3. Step 3: Cross multiply
    788,511.20x = 1,181,017.20 × 314,952.80
  4. Step 4: Simplify right side
    788,511.20x = 371,964,673,988.16
  5. Step 5: Solve for x
    x = 371,964,673,988.16/788,511.20
  6. Step 6: Final answer
    x = 471,730.36

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1.5x scale

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.