Home / 764,852.52-1,147,417.30-315,323.18

Finding the Fourth Proportional to 764,852.52, 1,147,417.30 and 315,323.18

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Solution

The fourth proportional to 764,852.52, 1,147,417.30 and 315,323.18 is: 473,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,852.52 : 1,147,417.30 = 315,323.18 : x
  2. Step 2: Convert to fraction form
    764,852.52/1,147,417.30 = 315,323.18/x
  3. Step 3: Cross multiply
    764,852.52x = 1,147,417.30 × 315,323.18
  4. Step 4: Simplify right side
    764,852.52x = 361,807,269,009.20
  5. Step 5: Solve for x
    x = 361,807,269,009.20/764,852.52
  6. Step 6: Final answer
    x = 473,041.87

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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.