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Finding the Fourth Proportional to 682,549.76, 942,259.67 and 424,509.88

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Solution

The fourth proportional to 682,549.76, 942,259.67 and 424,509.88 is: 586,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,549.76 : 942,259.67 = 424,509.88 : x
  2. Step 2: Convert to fraction form
    682,549.76/942,259.67 = 424,509.88/x
  3. Step 3: Cross multiply
    682,549.76x = 942,259.67 × 424,509.88
  4. Step 4: Simplify right side
    682,549.76x = 399,998,539,440.54
  5. Step 5: Solve for x
    x = 399,998,539,440.54/682,549.76
  6. Step 6: Final answer
    x = 586,035.72

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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.