Home / 824,732.40-1,235,255.40-636,265.20

Finding the Fourth Proportional to 824,732.40, 1,235,255.40 and 636,265.20

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Solution

The fourth proportional to 824,732.40, 1,235,255.40 and 636,265.20 is: 952,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,732.40 : 1,235,255.40 = 636,265.20 : x
  2. Step 2: Convert to fraction form
    824,732.40/1,235,255.40 = 636,265.20/x
  3. Step 3: Cross multiply
    824,732.40x = 1,235,255.40 × 636,265.20
  4. Step 4: Simplify right side
    824,732.40x = 785,950,024,132.08
  5. Step 5: Solve for x
    x = 785,950,024,132.08/824,732.40
  6. Step 6: Final answer
    x = 952,975.81

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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.