Home / 659,619.80-988,263.30-559,309.40

Finding the Fourth Proportional to 659,619.80, 988,263.30 and 559,309.40

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Solution

The fourth proportional to 659,619.80, 988,263.30 and 559,309.40 is: 837,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,619.80 : 988,263.30 = 559,309.40 : x
  2. Step 2: Convert to fraction form
    659,619.80/988,263.30 = 559,309.40/x
  3. Step 3: Cross multiply
    659,619.80x = 988,263.30 × 559,309.40
  4. Step 4: Simplify right side
    659,619.80x = 552,744,953,365.02
  5. Step 5: Solve for x
    x = 552,744,953,365.02/659,619.80
  6. Step 6: Final answer
    x = 837,975.08

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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.