Home / 877,025.28-1,210,291.20-495,047.68

Finding the Fourth Proportional to 877,025.28, 1,210,291.20 and 495,047.68

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Solution

The fourth proportional to 877,025.28, 1,210,291.20 and 495,047.68 is: 683,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,025.28 : 1,210,291.20 = 495,047.68 : x
  2. Step 2: Convert to fraction form
    877,025.28/1,210,291.20 = 495,047.68/x
  3. Step 3: Cross multiply
    877,025.28x = 1,210,291.20 × 495,047.68
  4. Step 4: Simplify right side
    877,025.28x = 599,151,850,684.42
  5. Step 5: Solve for x
    x = 599,151,850,684.42/877,025.28
  6. Step 6: Final answer
    x = 683,163.72

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1.5x scale

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.