Home / 541,503-747,329.37-312,068.46

Finding the Fourth Proportional to 541,503, 747,329.37 and 312,068.46

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Solution

The fourth proportional to 541,503, 747,329.37 and 312,068.46 is: 430,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,503 : 747,329.37 = 312,068.46 : x
  2. Step 2: Convert to fraction form
    541,503/747,329.37 = 312,068.46/x
  3. Step 3: Cross multiply
    541,503x = 747,329.37 × 312,068.46
  4. Step 4: Simplify right side
    541,503x = 233,217,925,608.67
  5. Step 5: Solve for x
    x = 233,217,925,608.67/541,503
  6. Step 6: Final answer
    x = 430,686.30

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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.