Home / 858,530.78-1,184,777.16-536,427.80

Finding the Fourth Proportional to 858,530.78, 1,184,777.16 and 536,427.80

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Solution

The fourth proportional to 858,530.78, 1,184,777.16 and 536,427.80 is: 740,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,530.78 : 1,184,777.16 = 536,427.80 : x
  2. Step 2: Convert to fraction form
    858,530.78/1,184,777.16 = 536,427.80/x
  3. Step 3: Cross multiply
    858,530.78x = 1,184,777.16 × 536,427.80
  4. Step 4: Simplify right side
    858,530.78x = 635,547,405,429.05
  5. Step 5: Solve for x
    x = 635,547,405,429.05/858,530.78
  6. Step 6: Final answer
    x = 740,273.29

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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.