Home / 847,651.72-1,169,824.98-485,189.32

Finding the Fourth Proportional to 847,651.72, 1,169,824.98 and 485,189.32

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Solution

The fourth proportional to 847,651.72, 1,169,824.98 and 485,189.32 is: 669,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,651.72 : 1,169,824.98 = 485,189.32 : x
  2. Step 2: Convert to fraction form
    847,651.72/1,169,824.98 = 485,189.32/x
  3. Step 3: Cross multiply
    847,651.72x = 1,169,824.98 × 485,189.32
  4. Step 4: Simplify right side
    847,651.72x = 567,586,586,565.21
  5. Step 5: Solve for x
    x = 567,586,586,565.21/847,651.72
  6. Step 6: Final answer
    x = 669,598.81

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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.