Home / 782,523.64-1,080,384.42-537,915.16

Finding the Fourth Proportional to 782,523.64, 1,080,384.42 and 537,915.16

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Solution

The fourth proportional to 782,523.64, 1,080,384.42 and 537,915.16 is: 742,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,523.64 : 1,080,384.42 = 537,915.16 : x
  2. Step 2: Convert to fraction form
    782,523.64/1,080,384.42 = 537,915.16/x
  3. Step 3: Cross multiply
    782,523.64x = 1,080,384.42 × 537,915.16
  4. Step 4: Simplify right side
    782,523.64x = 581,155,158,145.81
  5. Step 5: Solve for x
    x = 581,155,158,145.81/782,523.64
  6. Step 6: Final answer
    x = 742,667.86

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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.