Home / 749,424.96-1,034,231.09-409,893.21

Finding the Fourth Proportional to 749,424.96, 1,034,231.09 and 409,893.21

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Solution

The fourth proportional to 749,424.96, 1,034,231.09 and 409,893.21 is: 565,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,424.96 : 1,034,231.09 = 409,893.21 : x
  2. Step 2: Convert to fraction form
    749,424.96/1,034,231.09 = 409,893.21/x
  3. Step 3: Cross multiply
    749,424.96x = 1,034,231.09 × 409,893.21
  4. Step 4: Simplify right side
    749,424.96x = 423,924,299,312.43
  5. Step 5: Solve for x
    x = 423,924,299,312.43/749,424.96
  6. Step 6: Final answer
    x = 565,666.11

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1.5x scale

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.