Home / 718,612.89-1,078,017.74-245,171.13

Finding the Fourth Proportional to 718,612.89, 1,078,017.74 and 245,171.13

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Solution

The fourth proportional to 718,612.89, 1,078,017.74 and 245,171.13 is: 367,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,612.89 : 1,078,017.74 = 245,171.13 : x
  2. Step 2: Convert to fraction form
    718,612.89/1,078,017.74 = 245,171.13/x
  3. Step 3: Cross multiply
    718,612.89x = 1,078,017.74 × 245,171.13
  4. Step 4: Simplify right side
    718,612.89x = 264,298,827,475.85
  5. Step 5: Solve for x
    x = 264,298,827,475.85/718,612.89
  6. Step 6: Final answer
    x = 367,790.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.