Home / 942,005.10-1,413,228.15-310,918.29

Finding the Fourth Proportional to 942,005.10, 1,413,228.15 and 310,918.29

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Solution

The fourth proportional to 942,005.10, 1,413,228.15 and 310,918.29 is: 466,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,005.10 : 1,413,228.15 = 310,918.29 : x
  2. Step 2: Convert to fraction form
    942,005.10/1,413,228.15 = 310,918.29/x
  3. Step 3: Cross multiply
    942,005.10x = 1,413,228.15 × 310,918.29
  4. Step 4: Simplify right side
    942,005.10x = 439,398,479,777.86
  5. Step 5: Solve for x
    x = 439,398,479,777.86/942,005.10
  6. Step 6: Final answer
    x = 466,450.21

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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.