Home / 969,673.48-1,453,834.26-429,636.16

Finding the Fourth Proportional to 969,673.48, 1,453,834.26 and 429,636.16

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Solution

The fourth proportional to 969,673.48, 1,453,834.26 and 429,636.16 is: 644,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,673.48 : 1,453,834.26 = 429,636.16 : x
  2. Step 2: Convert to fraction form
    969,673.48/1,453,834.26 = 429,636.16/x
  3. Step 3: Cross multiply
    969,673.48x = 1,453,834.26 × 429,636.16
  4. Step 4: Simplify right side
    969,673.48x = 624,619,768,742.84
  5. Step 5: Solve for x
    x = 624,619,768,742.84/969,673.48
  6. Step 6: Final answer
    x = 644,154.74

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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.