Home / 749,287.98-1,034,016.84-409,756.14

Finding the Fourth Proportional to 749,287.98, 1,034,016.84 and 409,756.14

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Solution

The fourth proportional to 749,287.98, 1,034,016.84 and 409,756.14 is: 565,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,287.98 : 1,034,016.84 = 409,756.14 : x
  2. Step 2: Convert to fraction form
    749,287.98/1,034,016.84 = 409,756.14/x
  3. Step 3: Cross multiply
    749,287.98x = 1,034,016.84 × 409,756.14
  4. Step 4: Simplify right side
    749,287.98x = 423,694,749,053.40
  5. Step 5: Solve for x
    x = 423,694,749,053.40/749,287.98
  6. Step 6: Final answer
    x = 565,463.16

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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.