Home / 687,859.83-1,030,828.41-586,126.62

Finding the Fourth Proportional to 687,859.83, 1,030,828.41 and 586,126.62

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Solution

The fourth proportional to 687,859.83, 1,030,828.41 and 586,126.62 is: 878,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,859.83 : 1,030,828.41 = 586,126.62 : x
  2. Step 2: Convert to fraction form
    687,859.83/1,030,828.41 = 586,126.62/x
  3. Step 3: Cross multiply
    687,859.83x = 1,030,828.41 × 586,126.62
  4. Step 4: Simplify right side
    687,859.83x = 604,195,971,753.27
  5. Step 5: Solve for x
    x = 604,195,971,753.27/687,859.83
  6. Step 6: Final answer
    x = 878,370.77

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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.