Home / 677,999.57-1,011,009.15-671,914.25

Finding the Fourth Proportional to 677,999.57, 1,011,009.15 and 671,914.25

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Solution

The fourth proportional to 677,999.57, 1,011,009.15 and 671,914.25 is: 1,001,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,999.57 : 1,011,009.15 = 671,914.25 : x
  2. Step 2: Convert to fraction form
    677,999.57/1,011,009.15 = 671,914.25/x
  3. Step 3: Cross multiply
    677,999.57x = 1,011,009.15 × 671,914.25
  4. Step 4: Simplify right side
    677,999.57x = 679,311,454,765.39
  5. Step 5: Solve for x
    x = 679,311,454,765.39/677,999.57
  6. Step 6: Final answer
    x = 1,001,934.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.