Home / 839,494.18-1,158,468.24-457,512.76

Finding the Fourth Proportional to 839,494.18, 1,158,468.24 and 457,512.76

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Solution

The fourth proportional to 839,494.18, 1,158,468.24 and 457,512.76 is: 631,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,494.18 : 1,158,468.24 = 457,512.76 : x
  2. Step 2: Convert to fraction form
    839,494.18/1,158,468.24 = 457,512.76/x
  3. Step 3: Cross multiply
    839,494.18x = 1,158,468.24 × 457,512.76
  4. Step 4: Simplify right side
    839,494.18x = 530,014,001,854.74
  5. Step 5: Solve for x
    x = 530,014,001,854.74/839,494.18
  6. Step 6: Final answer
    x = 631,349.23

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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.