Home / 910,291.80-1,364,271.30-809,981.40

Finding the Fourth Proportional to 910,291.80, 1,364,271.30 and 809,981.40

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Solution

The fourth proportional to 910,291.80, 1,364,271.30 and 809,981.40 is: 1,213,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,291.80 : 1,364,271.30 = 809,981.40 : x
  2. Step 2: Convert to fraction form
    910,291.80/1,364,271.30 = 809,981.40/x
  3. Step 3: Cross multiply
    910,291.80x = 1,364,271.30 × 809,981.40
  4. Step 4: Simplify right side
    910,291.80x = 1,105,034,377,553.82
  5. Step 5: Solve for x
    x = 1,105,034,377,553.82/910,291.80
  6. Step 6: Final answer
    x = 1,213,934.23

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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.