Home / 782,852.55-1,080,318.22-460,583.40

Finding the Fourth Proportional to 782,852.55, 1,080,318.22 and 460,583.40

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Solution

The fourth proportional to 782,852.55, 1,080,318.22 and 460,583.40 is: 635,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,852.55 : 1,080,318.22 = 460,583.40 : x
  2. Step 2: Convert to fraction form
    782,852.55/1,080,318.22 = 460,583.40/x
  3. Step 3: Cross multiply
    782,852.55x = 1,080,318.22 × 460,583.40
  4. Step 4: Simplify right side
    782,852.55x = 497,576,638,849.55
  5. Step 5: Solve for x
    x = 497,576,638,849.55/782,852.55
  6. Step 6: Final answer
    x = 635,594.33

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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.