Home / 850,004.64-1,173,010.68-487,442.16

Finding the Fourth Proportional to 850,004.64, 1,173,010.68 and 487,442.16

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Solution

The fourth proportional to 850,004.64, 1,173,010.68 and 487,442.16 is: 672,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,004.64 : 1,173,010.68 = 487,442.16 : x
  2. Step 2: Convert to fraction form
    850,004.64/1,173,010.68 = 487,442.16/x
  3. Step 3: Cross multiply
    850,004.64x = 1,173,010.68 × 487,442.16
  4. Step 4: Simplify right side
    850,004.64x = 571,774,859,562.27
  5. Step 5: Solve for x
    x = 571,774,859,562.27/850,004.64
  6. Step 6: Final answer
    x = 672,672.63

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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.