Home / 746,117.32-1,029,641.94-406,585.48

Finding the Fourth Proportional to 746,117.32, 1,029,641.94 and 406,585.48

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Solution

The fourth proportional to 746,117.32, 1,029,641.94 and 406,585.48 is: 561,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,117.32 : 1,029,641.94 = 406,585.48 : x
  2. Step 2: Convert to fraction form
    746,117.32/1,029,641.94 = 406,585.48/x
  3. Step 3: Cross multiply
    746,117.32x = 1,029,641.94 × 406,585.48
  4. Step 4: Simplify right side
    746,117.32x = 418,637,462,403.03
  5. Step 5: Solve for x
    x = 418,637,462,403.03/746,117.32
  6. Step 6: Final answer
    x = 561,087.98

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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.