Home / 545,743.96-747,671.93-525,289.79

Finding the Fourth Proportional to 545,743.96, 747,671.93 and 525,289.79

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Solution

The fourth proportional to 545,743.96, 747,671.93 and 525,289.79 is: 719,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,743.96 : 747,671.93 = 525,289.79 : x
  2. Step 2: Convert to fraction form
    545,743.96/747,671.93 = 525,289.79/x
  3. Step 3: Cross multiply
    545,743.96x = 747,671.93 × 525,289.79
  4. Step 4: Simplify right side
    545,743.96x = 392,744,429,107.04
  5. Step 5: Solve for x
    x = 392,744,429,107.04/545,743.96
  6. Step 6: Final answer
    x = 719,649.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.