Home / 891,871.32-1,230,776.12-483,962.80

Finding the Fourth Proportional to 891,871.32, 1,230,776.12 and 483,962.80

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Solution

The fourth proportional to 891,871.32, 1,230,776.12 and 483,962.80 is: 667,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,871.32 : 1,230,776.12 = 483,962.80 : x
  2. Step 2: Convert to fraction form
    891,871.32/1,230,776.12 = 483,962.80/x
  3. Step 3: Cross multiply
    891,871.32x = 1,230,776.12 × 483,962.80
  4. Step 4: Simplify right side
    891,871.32x = 595,649,857,208.34
  5. Step 5: Solve for x
    x = 595,649,857,208.34/891,871.32
  6. Step 6: Final answer
    x = 667,865.24

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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.