Home / 585,971.28-878,982.45-286,703.82

Finding the Fourth Proportional to 585,971.28, 878,982.45 and 286,703.82

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Solution

The fourth proportional to 585,971.28, 878,982.45 and 286,703.82 is: 430,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,971.28 : 878,982.45 = 286,703.82 : x
  2. Step 2: Convert to fraction form
    585,971.28/878,982.45 = 286,703.82/x
  3. Step 3: Cross multiply
    585,971.28x = 878,982.45 × 286,703.82
  4. Step 4: Simplify right side
    585,971.28x = 252,007,626,127.96
  5. Step 5: Solve for x
    x = 252,007,626,127.96/585,971.28
  6. Step 6: Final answer
    x = 430,068.22

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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.