Home / 792,117.09-1,092,834.59-520,331.31

Finding the Fourth Proportional to 792,117.09, 1,092,834.59 and 520,331.31

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Solution

The fourth proportional to 792,117.09, 1,092,834.59 and 520,331.31 is: 717,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,117.09 : 1,092,834.59 = 520,331.31 : x
  2. Step 2: Convert to fraction form
    792,117.09/1,092,834.59 = 520,331.31/x
  3. Step 3: Cross multiply
    792,117.09x = 1,092,834.59 × 520,331.31
  4. Step 4: Simplify right side
    792,117.09x = 568,636,051,226.36
  5. Step 5: Solve for x
    x = 568,636,051,226.36/792,117.09
  6. Step 6: Final answer
    x = 717,868.68

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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.