Home / 964,182.87-1,330,586.01-528,641.21

Finding the Fourth Proportional to 964,182.87, 1,330,586.01 and 528,641.21

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Solution

The fourth proportional to 964,182.87, 1,330,586.01 and 528,641.21 is: 729,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,182.87 : 1,330,586.01 = 528,641.21 : x
  2. Step 2: Convert to fraction form
    964,182.87/1,330,586.01 = 528,641.21/x
  3. Step 3: Cross multiply
    964,182.87x = 1,330,586.01 × 528,641.21
  4. Step 4: Simplify right side
    964,182.87x = 703,402,598,335.47
  5. Step 5: Solve for x
    x = 703,402,598,335.47/964,182.87
  6. Step 6: Final answer
    x = 729,532.35

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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.