Home / 715,398.50-1,072,100.97-537,698.27

Finding the Fourth Proportional to 715,398.50, 1,072,100.97 and 537,698.27

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Solution

The fourth proportional to 715,398.50, 1,072,100.97 and 537,698.27 is: 805,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,398.50 : 1,072,100.97 = 537,698.27 : x
  2. Step 2: Convert to fraction form
    715,398.50/1,072,100.97 = 537,698.27/x
  3. Step 3: Cross multiply
    715,398.50x = 1,072,100.97 × 537,698.27
  4. Step 4: Simplify right side
    715,398.50x = 576,466,836,834.32
  5. Step 5: Solve for x
    x = 576,466,836,834.32/715,398.50
  6. Step 6: Final answer
    x = 805,798.22

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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.