Home / 905,080.77-1,357,600.14-455,680.98

Finding the Fourth Proportional to 905,080.77, 1,357,600.14 and 455,680.98

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Solution

The fourth proportional to 905,080.77, 1,357,600.14 and 455,680.98 is: 683,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,080.77 : 1,357,600.14 = 455,680.98 : x
  2. Step 2: Convert to fraction form
    905,080.77/1,357,600.14 = 455,680.98/x
  3. Step 3: Cross multiply
    905,080.77x = 1,357,600.14 × 455,680.98
  4. Step 4: Simplify right side
    905,080.77x = 618,632,562,243.34
  5. Step 5: Solve for x
    x = 618,632,562,243.34/905,080.77
  6. Step 6: Final answer
    x = 683,510.89

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1.5x scale

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.