Home / 677,999.07-1,011,008.40-671,913.75

Finding the Fourth Proportional to 677,999.07, 1,011,008.40 and 671,913.75

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Solution

The fourth proportional to 677,999.07, 1,011,008.40 and 671,913.75 is: 1,001,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,999.07 : 1,011,008.40 = 671,913.75 : x
  2. Step 2: Convert to fraction form
    677,999.07/1,011,008.40 = 671,913.75/x
  3. Step 3: Cross multiply
    677,999.07x = 1,011,008.40 × 671,913.75
  4. Step 4: Simplify right side
    677,999.07x = 679,310,445,325.50
  5. Step 5: Solve for x
    x = 679,310,445,325.50/677,999.07
  6. Step 6: Final answer
    x = 1,001,934.18

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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.