Home / 908,809.10-1,366,166.10-778,901.30

Finding the Fourth Proportional to 908,809.10, 1,366,166.10 and 778,901.30

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Solution

The fourth proportional to 908,809.10, 1,366,166.10 and 778,901.30 is: 1,170,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,809.10 : 1,366,166.10 = 778,901.30 : x
  2. Step 2: Convert to fraction form
    908,809.10/1,366,166.10 = 778,901.30/x
  3. Step 3: Cross multiply
    908,809.10x = 1,366,166.10 × 778,901.30
  4. Step 4: Simplify right side
    908,809.10x = 1,064,108,551,305.93
  5. Step 5: Solve for x
    x = 1,064,108,551,305.93/908,809.10
  6. Step 6: Final answer
    x = 1,170,882.37

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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.