Home / 688,722.77-1,030,062.43-613,352.83

Finding the Fourth Proportional to 688,722.77, 1,030,062.43 and 613,352.83

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Solution

The fourth proportional to 688,722.77, 1,030,062.43 and 613,352.83 is: 917,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,722.77 : 1,030,062.43 = 613,352.83 : x
  2. Step 2: Convert to fraction form
    688,722.77/1,030,062.43 = 613,352.83/x
  3. Step 3: Cross multiply
    688,722.77x = 1,030,062.43 × 613,352.83
  4. Step 4: Simplify right side
    688,722.77x = 631,791,701,366.87
  5. Step 5: Solve for x
    x = 631,791,701,366.87/688,722.77
  6. Step 6: Final answer
    x = 917,338.20

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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.