Home / 971,379.30-1,454,444.55-761,427.30

Finding the Fourth Proportional to 971,379.30, 1,454,444.55 and 761,427.30

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Solution

The fourth proportional to 971,379.30, 1,454,444.55 and 761,427.30 is: 1,140,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,379.30 : 1,454,444.55 = 761,427.30 : x
  2. Step 2: Convert to fraction form
    971,379.30/1,454,444.55 = 761,427.30/x
  3. Step 3: Cross multiply
    971,379.30x = 1,454,444.55 × 761,427.30
  4. Step 4: Simplify right side
    971,379.30x = 1,107,453,786,706.22
  5. Step 5: Solve for x
    x = 1,107,453,786,706.22/971,379.30
  6. Step 6: Final answer
    x = 1,140,083.78

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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.