Home / 756,494.80-1,136,054.40-402,200.80

Finding the Fourth Proportional to 756,494.80, 1,136,054.40 and 402,200.80

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Solution

The fourth proportional to 756,494.80, 1,136,054.40 and 402,200.80 is: 603,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,494.80 : 1,136,054.40 = 402,200.80 : x
  2. Step 2: Convert to fraction form
    756,494.80/1,136,054.40 = 402,200.80/x
  3. Step 3: Cross multiply
    756,494.80x = 1,136,054.40 × 402,200.80
  4. Step 4: Simplify right side
    756,494.80x = 456,921,988,523.52
  5. Step 5: Solve for x
    x = 456,921,988,523.52/756,494.80
  6. Step 6: Final answer
    x = 603,998.85

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Double scale
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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.