Home / 546,901.20-819,039.60-266,090.40

Finding the Fourth Proportional to 546,901.20, 819,039.60 and 266,090.40

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Solution

The fourth proportional to 546,901.20, 819,039.60 and 266,090.40 is: 398,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,901.20 : 819,039.60 = 266,090.40 : x
  2. Step 2: Convert to fraction form
    546,901.20/819,039.60 = 266,090.40/x
  3. Step 3: Cross multiply
    546,901.20x = 819,039.60 × 266,090.40
  4. Step 4: Simplify right side
    546,901.20x = 217,938,574,779.84
  5. Step 5: Solve for x
    x = 217,938,574,779.84/546,901.20
  6. Step 6: Final answer
    x = 398,497.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.