Home / 947,834.50-1,421,751.75-316,748.30

Finding the Fourth Proportional to 947,834.50, 1,421,751.75 and 316,748.30

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Solution

The fourth proportional to 947,834.50, 1,421,751.75 and 316,748.30 is: 475,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,834.50 : 1,421,751.75 = 316,748.30 : x
  2. Step 2: Convert to fraction form
    947,834.50/1,421,751.75 = 316,748.30/x
  3. Step 3: Cross multiply
    947,834.50x = 1,421,751.75 × 316,748.30
  4. Step 4: Simplify right side
    947,834.50x = 450,337,449,834.53
  5. Step 5: Solve for x
    x = 450,337,449,834.53/947,834.50
  6. Step 6: Final answer
    x = 475,122.45

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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.