Home / 910,813.80-1,363,596.30-816,335.40

Finding the Fourth Proportional to 910,813.80, 1,363,596.30 and 816,335.40

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Solution

The fourth proportional to 910,813.80, 1,363,596.30 and 816,335.40 is: 1,222,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,813.80 : 1,363,596.30 = 816,335.40 : x
  2. Step 2: Convert to fraction form
    910,813.80/1,363,596.30 = 816,335.40/x
  3. Step 3: Cross multiply
    910,813.80x = 1,363,596.30 × 816,335.40
  4. Step 4: Simplify right side
    910,813.80x = 1,113,151,930,999.02
  5. Step 5: Solve for x
    x = 1,113,151,930,999.02/910,813.80
  6. Step 6: Final answer
    x = 1,222,150.93

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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.