Home / 942,114.18-1,413,144.81-302,412.90

Finding the Fourth Proportional to 942,114.18, 1,413,144.81 and 302,412.90

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Solution

The fourth proportional to 942,114.18, 1,413,144.81 and 302,412.90 is: 453,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,114.18 : 1,413,144.81 = 302,412.90 : x
  2. Step 2: Convert to fraction form
    942,114.18/1,413,144.81 = 302,412.90/x
  3. Step 3: Cross multiply
    942,114.18x = 1,413,144.81 × 302,412.90
  4. Step 4: Simplify right side
    942,114.18x = 427,353,220,112.05
  5. Step 5: Solve for x
    x = 427,353,220,112.05/942,114.18
  6. Step 6: Final answer
    x = 453,610.86

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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.