Home / 851,014.77-1,276,711.40-371,320.32

Finding the Fourth Proportional to 851,014.77, 1,276,711.40 and 371,320.32

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Solution

The fourth proportional to 851,014.77, 1,276,711.40 and 371,320.32 is: 557,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,014.77 : 1,276,711.40 = 371,320.32 : x
  2. Step 2: Convert to fraction form
    851,014.77/1,276,711.40 = 371,320.32/x
  3. Step 3: Cross multiply
    851,014.77x = 1,276,711.40 × 371,320.32
  4. Step 4: Simplify right side
    851,014.77x = 474,068,885,595.65
  5. Step 5: Solve for x
    x = 474,068,885,595.65/851,014.77
  6. Step 6: Final answer
    x = 557,063.05

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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.