Home / 900,226.30-1,242,465.06-518,474.12

Finding the Fourth Proportional to 900,226.30, 1,242,465.06 and 518,474.12

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Solution

The fourth proportional to 900,226.30, 1,242,465.06 and 518,474.12 is: 715,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,226.30 : 1,242,465.06 = 518,474.12 : x
  2. Step 2: Convert to fraction form
    900,226.30/1,242,465.06 = 518,474.12/x
  3. Step 3: Cross multiply
    900,226.30x = 1,242,465.06 × 518,474.12
  4. Step 4: Simplify right side
    900,226.30x = 644,185,978,614.25
  5. Step 5: Solve for x
    x = 644,185,978,614.25/900,226.30
  6. Step 6: Final answer
    x = 715,582.27

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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.