Home / 688,580.65-950,265.22-382,669.92

Finding the Fourth Proportional to 688,580.65, 950,265.22 and 382,669.92

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Solution

The fourth proportional to 688,580.65, 950,265.22 and 382,669.92 is: 528,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,580.65 : 950,265.22 = 382,669.92 : x
  2. Step 2: Convert to fraction form
    688,580.65/950,265.22 = 382,669.92/x
  3. Step 3: Cross multiply
    688,580.65x = 950,265.22 × 382,669.92
  4. Step 4: Simplify right side
    688,580.65x = 363,637,915,477.01
  5. Step 5: Solve for x
    x = 363,637,915,477.01/688,580.65
  6. Step 6: Final answer
    x = 528,097.79

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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.