Home / 988,555.82-1,364,265.86-558,875.93

Finding the Fourth Proportional to 988,555.82, 1,364,265.86 and 558,875.93

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Solution

The fourth proportional to 988,555.82, 1,364,265.86 and 558,875.93 is: 771,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,555.82 : 1,364,265.86 = 558,875.93 : x
  2. Step 2: Convert to fraction form
    988,555.82/1,364,265.86 = 558,875.93/x
  3. Step 3: Cross multiply
    988,555.82x = 1,364,265.86 × 558,875.93
  4. Step 4: Simplify right side
    988,555.82x = 762,455,341,659.04
  5. Step 5: Solve for x
    x = 762,455,341,659.04/988,555.82
  6. Step 6: Final answer
    x = 771,282.04

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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.