Home / 945,417.05-1,416,942.98-472,234.49

Finding the Fourth Proportional to 945,417.05, 1,416,942.98 and 472,234.49

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Solution

The fourth proportional to 945,417.05, 1,416,942.98 and 472,234.49 is: 707,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,417.05 : 1,416,942.98 = 472,234.49 : x
  2. Step 2: Convert to fraction form
    945,417.05/1,416,942.98 = 472,234.49/x
  3. Step 3: Cross multiply
    945,417.05x = 1,416,942.98 × 472,234.49
  4. Step 4: Simplify right side
    945,417.05x = 669,129,343,158.21
  5. Step 5: Solve for x
    x = 669,129,343,158.21/945,417.05
  6. Step 6: Final answer
    x = 707,761.03

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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.