Home / 755,690.40-1,132,551.45-306,043.20

Finding the Fourth Proportional to 755,690.40, 1,132,551.45 and 306,043.20

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Solution

The fourth proportional to 755,690.40, 1,132,551.45 and 306,043.20 is: 458,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,690.40 : 1,132,551.45 = 306,043.20 : x
  2. Step 2: Convert to fraction form
    755,690.40/1,132,551.45 = 306,043.20/x
  3. Step 3: Cross multiply
    755,690.40x = 1,132,551.45 × 306,043.20
  4. Step 4: Simplify right side
    755,690.40x = 346,609,669,922.64
  5. Step 5: Solve for x
    x = 346,609,669,922.64/755,690.40
  6. Step 6: Final answer
    x = 458,666.23

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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.