Home / 743,212.37-1,025,344.61-525,740.74

Finding the Fourth Proportional to 743,212.37, 1,025,344.61 and 525,740.74

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Solution

The fourth proportional to 743,212.37, 1,025,344.61 and 525,740.74 is: 725,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,212.37 : 1,025,344.61 = 525,740.74 : x
  2. Step 2: Convert to fraction form
    743,212.37/1,025,344.61 = 525,740.74/x
  3. Step 3: Cross multiply
    743,212.37x = 1,025,344.61 × 525,740.74
  4. Step 4: Simplify right side
    743,212.37x = 539,065,430,795.87
  5. Step 5: Solve for x
    x = 539,065,430,795.87/743,212.37
  6. Step 6: Final answer
    x = 725,318.16

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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.