Home / 545,038.44-752,188.39-303,320.27

Finding the Fourth Proportional to 545,038.44, 752,188.39 and 303,320.27

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Solution

The fourth proportional to 545,038.44, 752,188.39 and 303,320.27 is: 418,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,038.44 : 752,188.39 = 303,320.27 : x
  2. Step 2: Convert to fraction form
    545,038.44/752,188.39 = 303,320.27/x
  3. Step 3: Cross multiply
    545,038.44x = 752,188.39 × 303,320.27
  4. Step 4: Simplify right side
    545,038.44x = 228,153,985,545.67
  5. Step 5: Solve for x
    x = 228,153,985,545.67/545,038.44
  6. Step 6: Final answer
    x = 418,601.64

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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.