Home / 842,703.55-1,264,181.38-310,184.03

Finding the Fourth Proportional to 842,703.55, 1,264,181.38 and 310,184.03

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Solution

The fourth proportional to 842,703.55, 1,264,181.38 and 310,184.03 is: 465,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,703.55 : 1,264,181.38 = 310,184.03 : x
  2. Step 2: Convert to fraction form
    842,703.55/1,264,181.38 = 310,184.03/x
  3. Step 3: Cross multiply
    842,703.55x = 1,264,181.38 × 310,184.03
  4. Step 4: Simplify right side
    842,703.55x = 392,128,877,484.36
  5. Step 5: Solve for x
    x = 392,128,877,484.36/842,703.55
  6. Step 6: Final answer
    x = 465,322.45

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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.