Home / 746,319.90-1,029,919.02-406,788.14

Finding the Fourth Proportional to 746,319.90, 1,029,919.02 and 406,788.14

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Solution

The fourth proportional to 746,319.90, 1,029,919.02 and 406,788.14 is: 561,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,319.90 : 1,029,919.02 = 406,788.14 : x
  2. Step 2: Convert to fraction form
    746,319.90/1,029,919.02 = 406,788.14/x
  3. Step 3: Cross multiply
    746,319.90x = 1,029,919.02 × 406,788.14
  4. Step 4: Simplify right side
    746,319.90x = 418,958,842,496.42
  5. Step 5: Solve for x
    x = 418,958,842,496.42/746,319.90
  6. Step 6: Final answer
    x = 561,366.30

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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.