Home / 767,502.32-1,059,021.05-492,101.01

Finding the Fourth Proportional to 767,502.32, 1,059,021.05 and 492,101.01

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Solution

The fourth proportional to 767,502.32, 1,059,021.05 and 492,101.01 is: 679,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,502.32 : 1,059,021.05 = 492,101.01 : x
  2. Step 2: Convert to fraction form
    767,502.32/1,059,021.05 = 492,101.01/x
  3. Step 3: Cross multiply
    767,502.32x = 1,059,021.05 × 492,101.01
  4. Step 4: Simplify right side
    767,502.32x = 521,145,325,855.76
  5. Step 5: Solve for x
    x = 521,145,325,855.76/767,502.32
  6. Step 6: Final answer
    x = 679,014.66

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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.