Home / 782,522.64-1,080,383.04-537,914.16

Finding the Fourth Proportional to 782,522.64, 1,080,383.04 and 537,914.16

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Solution

The fourth proportional to 782,522.64, 1,080,383.04 and 537,914.16 is: 742,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,522.64 : 1,080,383.04 = 537,914.16 : x
  2. Step 2: Convert to fraction form
    782,522.64/1,080,383.04 = 537,914.16/x
  3. Step 3: Cross multiply
    782,522.64x = 1,080,383.04 × 537,914.16
  4. Step 4: Simplify right side
    782,522.64x = 581,153,335,439.85
  5. Step 5: Solve for x
    x = 581,153,335,439.85/782,522.64
  6. Step 6: Final answer
    x = 742,666.48

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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.