Home / 851,990.91-1,175,750.76-464,815.03

Finding the Fourth Proportional to 851,990.91, 1,175,750.76 and 464,815.03

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Solution

The fourth proportional to 851,990.91, 1,175,750.76 and 464,815.03 is: 641,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,990.91 : 1,175,750.76 = 464,815.03 : x
  2. Step 2: Convert to fraction form
    851,990.91/1,175,750.76 = 464,815.03/x
  3. Step 3: Cross multiply
    851,990.91x = 1,175,750.76 × 464,815.03
  4. Step 4: Simplify right side
    851,990.91x = 546,506,619,210.82
  5. Step 5: Solve for x
    x = 546,506,619,210.82/851,990.91
  6. Step 6: Final answer
    x = 641,446.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.