Home / 723,065.10-1,085,764.05-545,772.30

Finding the Fourth Proportional to 723,065.10, 1,085,764.05 and 545,772.30

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Solution

The fourth proportional to 723,065.10, 1,085,764.05 and 545,772.30 is: 819,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,065.10 : 1,085,764.05 = 545,772.30 : x
  2. Step 2: Convert to fraction form
    723,065.10/1,085,764.05 = 545,772.30/x
  3. Step 3: Cross multiply
    723,065.10x = 1,085,764.05 × 545,772.30
  4. Step 4: Simplify right side
    723,065.10x = 592,579,942,825.82
  5. Step 5: Solve for x
    x = 592,579,942,825.82/723,065.10
  6. Step 6: Final answer
    x = 819,538.85

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1.5x scale

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.