Home / 905,901.47-1,250,167.96-492,466.07

Finding the Fourth Proportional to 905,901.47, 1,250,167.96 and 492,466.07

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Solution

The fourth proportional to 905,901.47, 1,250,167.96 and 492,466.07 is: 679,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,901.47 : 1,250,167.96 = 492,466.07 : x
  2. Step 2: Convert to fraction form
    905,901.47/1,250,167.96 = 492,466.07/x
  3. Step 3: Cross multiply
    905,901.47x = 1,250,167.96 × 492,466.07
  4. Step 4: Simplify right side
    905,901.47x = 615,665,293,722.39
  5. Step 5: Solve for x
    x = 615,665,293,722.39/905,901.47
  6. Step 6: Final answer
    x = 679,616.17

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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.