Home / 908,979.80-1,363,628.10-376,208.60

Finding the Fourth Proportional to 908,979.80, 1,363,628.10 and 376,208.60

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Solution

The fourth proportional to 908,979.80, 1,363,628.10 and 376,208.60 is: 564,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,979.80 : 1,363,628.10 = 376,208.60 : x
  2. Step 2: Convert to fraction form
    908,979.80/1,363,628.10 = 376,208.60/x
  3. Step 3: Cross multiply
    908,979.80x = 1,363,628.10 × 376,208.60
  4. Step 4: Simplify right side
    908,979.80x = 513,008,618,421.66
  5. Step 5: Solve for x
    x = 513,008,618,421.66/908,979.80
  6. Step 6: Final answer
    x = 564,378.46

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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.