Home / 839,447.52-1,158,403.92-457,466.16

Finding the Fourth Proportional to 839,447.52, 1,158,403.92 and 457,466.16

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Solution

The fourth proportional to 839,447.52, 1,158,403.92 and 457,466.16 is: 631,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,447.52 : 1,158,403.92 = 457,466.16 : x
  2. Step 2: Convert to fraction form
    839,447.52/1,158,403.92 = 457,466.16/x
  3. Step 3: Cross multiply
    839,447.52x = 1,158,403.92 × 457,466.16
  4. Step 4: Simplify right side
    839,447.52x = 529,930,593,011.35
  5. Step 5: Solve for x
    x = 529,930,593,011.35/839,447.52
  6. Step 6: Final answer
    x = 631,284.96

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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.