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Finding the Fourth Proportional to 546,160.68, 754,024.68 and 485,563.64

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Solution

The fourth proportional to 546,160.68, 754,024.68 and 485,563.64 is: 670,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,160.68 : 754,024.68 = 485,563.64 : x
  2. Step 2: Convert to fraction form
    546,160.68/754,024.68 = 485,563.64/x
  3. Step 3: Cross multiply
    546,160.68x = 754,024.68 × 485,563.64
  4. Step 4: Simplify right side
    546,160.68x = 366,126,964,500.51
  5. Step 5: Solve for x
    x = 366,126,964,500.51/546,160.68
  6. Step 6: Final answer
    x = 670,364.93

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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.