Home / 877,907.28-1,211,610.37-495,958.66

Finding the Fourth Proportional to 877,907.28, 1,211,610.37 and 495,958.66

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Solution

The fourth proportional to 877,907.28, 1,211,610.37 and 495,958.66 is: 684,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,907.28 : 1,211,610.37 = 495,958.66 : x
  2. Step 2: Convert to fraction form
    877,907.28/1,211,610.37 = 495,958.66/x
  3. Step 3: Cross multiply
    877,907.28x = 1,211,610.37 × 495,958.66
  4. Step 4: Simplify right side
    877,907.28x = 600,908,655,547.30
  5. Step 5: Solve for x
    x = 600,908,655,547.30/877,907.28
  6. Step 6: Final answer
    x = 684,478.50

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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.