Home / 942,385.86-1,413,572.31-381,412.26

Finding the Fourth Proportional to 942,385.86, 1,413,572.31 and 381,412.26

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Solution

The fourth proportional to 942,385.86, 1,413,572.31 and 381,412.26 is: 572,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,385.86 : 1,413,572.31 = 381,412.26 : x
  2. Step 2: Convert to fraction form
    942,385.86/1,413,572.31 = 381,412.26/x
  3. Step 3: Cross multiply
    942,385.86x = 1,413,572.31 × 381,412.26
  4. Step 4: Simplify right side
    942,385.86x = 539,153,809,430.52
  5. Step 5: Solve for x
    x = 539,153,809,430.52/942,385.86
  6. Step 6: Final answer
    x = 572,115.77

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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.