Home / 826,846.80-1,239,089.40-471,109.20

Finding the Fourth Proportional to 826,846.80, 1,239,089.40 and 471,109.20

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Solution

The fourth proportional to 826,846.80, 1,239,089.40 and 471,109.20 is: 705,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,846.80 : 1,239,089.40 = 471,109.20 : x
  2. Step 2: Convert to fraction form
    826,846.80/1,239,089.40 = 471,109.20/x
  3. Step 3: Cross multiply
    826,846.80x = 1,239,089.40 × 471,109.20
  4. Step 4: Simplify right side
    826,846.80x = 583,746,415,962.48
  5. Step 5: Solve for x
    x = 583,746,415,962.48/826,846.80
  6. Step 6: Final answer
    x = 705,991.02

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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.