Home / 740,947.89-1,022,509.13-401,416.14

Finding the Fourth Proportional to 740,947.89, 1,022,509.13 and 401,416.14

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Solution

The fourth proportional to 740,947.89, 1,022,509.13 and 401,416.14 is: 553,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,947.89 : 1,022,509.13 = 401,416.14 : x
  2. Step 2: Convert to fraction form
    740,947.89/1,022,509.13 = 401,416.14/x
  3. Step 3: Cross multiply
    740,947.89x = 1,022,509.13 × 401,416.14
  4. Step 4: Simplify right side
    740,947.89x = 410,451,668,079.36
  5. Step 5: Solve for x
    x = 410,451,668,079.36/740,947.89
  6. Step 6: Final answer
    x = 553,954.84

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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.