Home / 839,465.25-1,158,470.25-457,500.23

Finding the Fourth Proportional to 839,465.25, 1,158,470.25 and 457,500.23

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Solution

The fourth proportional to 839,465.25, 1,158,470.25 and 457,500.23 is: 631,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,465.25 : 1,158,470.25 = 457,500.23 : x
  2. Step 2: Convert to fraction form
    839,465.25/1,158,470.25 = 457,500.23/x
  3. Step 3: Cross multiply
    839,465.25x = 1,158,470.25 × 457,500.23
  4. Step 4: Simplify right side
    839,465.25x = 530,000,408,719.33
  5. Step 5: Solve for x
    x = 530,000,408,719.33/839,465.25
  6. Step 6: Final answer
    x = 631,354.79

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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.