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Finding the Fourth Proportional to 893,090.43, 1,339,679.43 and 360,545.04

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Solution

The fourth proportional to 893,090.43, 1,339,679.43 and 360,545.04 is: 540,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,090.43 : 1,339,679.43 = 360,545.04 : x
  2. Step 2: Convert to fraction form
    893,090.43/1,339,679.43 = 360,545.04/x
  3. Step 3: Cross multiply
    893,090.43x = 1,339,679.43 × 360,545.04
  4. Step 4: Simplify right side
    893,090.43x = 483,014,773,676.53
  5. Step 5: Solve for x
    x = 483,014,773,676.53/893,090.43
  6. Step 6: Final answer
    x = 540,835.24

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1.5x scale

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.