Home / 484,105.86-724,739.28-339,510.52

Finding the Fourth Proportional to 484,105.86, 724,739.28 and 339,510.52

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Solution

The fourth proportional to 484,105.86, 724,739.28 and 339,510.52 is: 508,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,105.86 : 724,739.28 = 339,510.52 : x
  2. Step 2: Convert to fraction form
    484,105.86/724,739.28 = 339,510.52/x
  3. Step 3: Cross multiply
    484,105.86x = 724,739.28 × 339,510.52
  4. Step 4: Simplify right side
    484,105.86x = 246,056,609,817.23
  5. Step 5: Solve for x
    x = 246,056,609,817.23/484,105.86
  6. Step 6: Final answer
    x = 508,270.26

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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.