Home / 545,707.02-753,098.37-303,989.53

Finding the Fourth Proportional to 545,707.02, 753,098.37 and 303,989.53

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Solution

The fourth proportional to 545,707.02, 753,098.37 and 303,989.53 is: 419,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,707.02 : 753,098.37 = 303,989.53 : x
  2. Step 2: Convert to fraction form
    545,707.02/753,098.37 = 303,989.53/x
  3. Step 3: Cross multiply
    545,707.02x = 753,098.37 × 303,989.53
  4. Step 4: Simplify right side
    545,707.02x = 228,934,015,774.57
  5. Step 5: Solve for x
    x = 228,934,015,774.57/545,707.02
  6. Step 6: Final answer
    x = 419,518.18

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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.