Home / 908,701.94-1,254,017.30-500,818.75

Finding the Fourth Proportional to 908,701.94, 1,254,017.30 and 500,818.75

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Solution

The fourth proportional to 908,701.94, 1,254,017.30 and 500,818.75 is: 691,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,701.94 : 1,254,017.30 = 500,818.75 : x
  2. Step 2: Convert to fraction form
    908,701.94/1,254,017.30 = 500,818.75/x
  3. Step 3: Cross multiply
    908,701.94x = 1,254,017.30 × 500,818.75
  4. Step 4: Simplify right side
    908,701.94x = 628,035,371,025.24
  5. Step 5: Solve for x
    x = 628,035,371,025.24/908,701.94
  6. Step 6: Final answer
    x = 691,134.62

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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.