Home / 538,734.70-743,459.16-297,026.74

Finding the Fourth Proportional to 538,734.70, 743,459.16 and 297,026.74

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Solution

The fourth proportional to 538,734.70, 743,459.16 and 297,026.74 is: 409,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,734.70 : 743,459.16 = 297,026.74 : x
  2. Step 2: Convert to fraction form
    538,734.70/743,459.16 = 297,026.74/x
  3. Step 3: Cross multiply
    538,734.70x = 743,459.16 × 297,026.74
  4. Step 4: Simplify right side
    538,734.70x = 220,827,250,617.94
  5. Step 5: Solve for x
    x = 220,827,250,617.94/538,734.70
  6. Step 6: Final answer
    x = 409,899.81

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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.