Home / 908,595.20-1,253,869.67-500,711.67

Finding the Fourth Proportional to 908,595.20, 1,253,869.67 and 500,711.67

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Solution

The fourth proportional to 908,595.20, 1,253,869.67 and 500,711.67 is: 690,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,595.20 : 1,253,869.67 = 500,711.67 : x
  2. Step 2: Convert to fraction form
    908,595.20/1,253,869.67 = 500,711.67/x
  3. Step 3: Cross multiply
    908,595.20x = 1,253,869.67 × 500,711.67
  4. Step 4: Simplify right side
    908,595.20x = 627,827,177,679.83
  5. Step 5: Solve for x
    x = 627,827,177,679.83/908,595.20
  6. Step 6: Final answer
    x = 690,986.67

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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.