Home / 869,546.02-1,199,973.54-487,572.84

Finding the Fourth Proportional to 869,546.02, 1,199,973.54 and 487,572.84

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Solution

The fourth proportional to 869,546.02, 1,199,973.54 and 487,572.84 is: 672,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,546.02 : 1,199,973.54 = 487,572.84 : x
  2. Step 2: Convert to fraction form
    869,546.02/1,199,973.54 = 487,572.84/x
  3. Step 3: Cross multiply
    869,546.02x = 1,199,973.54 × 487,572.84
  4. Step 4: Simplify right side
    869,546.02x = 585,074,506,822.65
  5. Step 5: Solve for x
    x = 585,074,506,822.65/869,546.02
  6. Step 6: Final answer
    x = 672,850.54

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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.