Home / 807,785.01-1,210,533.44-448,113.04

Finding the Fourth Proportional to 807,785.01, 1,210,533.44 and 448,113.04

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Solution

The fourth proportional to 807,785.01, 1,210,533.44 and 448,113.04 is: 671,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,785.01 : 1,210,533.44 = 448,113.04 : x
  2. Step 2: Convert to fraction form
    807,785.01/1,210,533.44 = 448,113.04/x
  3. Step 3: Cross multiply
    807,785.01x = 1,210,533.44 × 448,113.04
  4. Step 4: Simplify right side
    807,785.01x = 542,455,814,553.16
  5. Step 5: Solve for x
    x = 542,455,814,553.16/807,785.01
  6. Step 6: Final answer
    x = 671,534.89

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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.