Home / 543,290.46-749,743.70-339,459.58

Finding the Fourth Proportional to 543,290.46, 749,743.70 and 339,459.58

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Solution

The fourth proportional to 543,290.46, 749,743.70 and 339,459.58 is: 468,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,290.46 : 749,743.70 = 339,459.58 : x
  2. Step 2: Convert to fraction form
    543,290.46/749,743.70 = 339,459.58/x
  3. Step 3: Cross multiply
    543,290.46x = 749,743.70 × 339,459.58
  4. Step 4: Simplify right side
    543,290.46x = 254,507,676,532.22
  5. Step 5: Solve for x
    x = 254,507,676,532.22/543,290.46
  6. Step 6: Final answer
    x = 468,456.00

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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.