Home / 538,709.23-743,423.55-297,000.37

Finding the Fourth Proportional to 538,709.23, 743,423.55 and 297,000.37

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Solution

The fourth proportional to 538,709.23, 743,423.55 and 297,000.37 is: 409,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,709.23 : 743,423.55 = 297,000.37 : x
  2. Step 2: Convert to fraction form
    538,709.23/743,423.55 = 297,000.37/x
  3. Step 3: Cross multiply
    538,709.23x = 743,423.55 × 297,000.37
  4. Step 4: Simplify right side
    538,709.23x = 220,797,069,416.71
  5. Step 5: Solve for x
    x = 220,797,069,416.71/538,709.23
  6. Step 6: Final answer
    x = 409,863.16

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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.