Home / 764,527.36-1,055,111.52-425,027.20

Finding the Fourth Proportional to 764,527.36, 1,055,111.52 and 425,027.20

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Solution

The fourth proportional to 764,527.36, 1,055,111.52 and 425,027.20 is: 586,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,527.36 : 1,055,111.52 = 425,027.20 : x
  2. Step 2: Convert to fraction form
    764,527.36/1,055,111.52 = 425,027.20/x
  3. Step 3: Cross multiply
    764,527.36x = 1,055,111.52 × 425,027.20
  4. Step 4: Simplify right side
    764,527.36x = 448,451,095,033.34
  5. Step 5: Solve for x
    x = 448,451,095,033.34/764,527.36
  6. Step 6: Final answer
    x = 586,572.98

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Double scale
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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.