Home / 851,929.80-1,276,809.30-452,761.80

Finding the Fourth Proportional to 851,929.80, 1,276,809.30 and 452,761.80

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Solution

The fourth proportional to 851,929.80, 1,276,809.30 and 452,761.80 is: 678,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,929.80 : 1,276,809.30 = 452,761.80 : x
  2. Step 2: Convert to fraction form
    851,929.80/1,276,809.30 = 452,761.80/x
  3. Step 3: Cross multiply
    851,929.80x = 1,276,809.30 × 452,761.80
  4. Step 4: Simplify right side
    851,929.80x = 578,090,476,924.74
  5. Step 5: Solve for x
    x = 578,090,476,924.74/851,929.80
  6. Step 6: Final answer
    x = 678,565.86

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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.