Home / 877,709.07-1,317,613.37-522,890.19

Finding the Fourth Proportional to 877,709.07, 1,317,613.37 and 522,890.19

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Solution

The fourth proportional to 877,709.07, 1,317,613.37 and 522,890.19 is: 784,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,709.07 : 1,317,613.37 = 522,890.19 : x
  2. Step 2: Convert to fraction form
    877,709.07/1,317,613.37 = 522,890.19/x
  3. Step 3: Cross multiply
    877,709.07x = 1,317,613.37 × 522,890.19
  4. Step 4: Simplify right side
    877,709.07x = 688,967,102,771.39
  5. Step 5: Solve for x
    x = 688,967,102,771.39/877,709.07
  6. Step 6: Final answer
    x = 784,960.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.