Home / 554,348.20-832,008.30-329,427.40

Finding the Fourth Proportional to 554,348.20, 832,008.30 and 329,427.40

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Solution

The fourth proportional to 554,348.20, 832,008.30 and 329,427.40 is: 494,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,348.20 : 832,008.30 = 329,427.40 : x
  2. Step 2: Convert to fraction form
    554,348.20/832,008.30 = 329,427.40/x
  3. Step 3: Cross multiply
    554,348.20x = 832,008.30 × 329,427.40
  4. Step 4: Simplify right side
    554,348.20x = 274,086,331,047.42
  5. Step 5: Solve for x
    x = 274,086,331,047.42/554,348.20
  6. Step 6: Final answer
    x = 494,429.91

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1.5x scale

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.