Home / 856,332.64-1,181,688.48-469,071.04

Finding the Fourth Proportional to 856,332.64, 1,181,688.48 and 469,071.04

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Solution

The fourth proportional to 856,332.64, 1,181,688.48 and 469,071.04 is: 647,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,332.64 : 1,181,688.48 = 469,071.04 : x
  2. Step 2: Convert to fraction form
    856,332.64/1,181,688.48 = 469,071.04/x
  3. Step 3: Cross multiply
    856,332.64x = 1,181,688.48 × 469,071.04
  4. Step 4: Simplify right side
    856,332.64x = 554,295,844,269.62
  5. Step 5: Solve for x
    x = 554,295,844,269.62/856,332.64
  6. Step 6: Final answer
    x = 647,290.34

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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.