Home / 839,452.99-1,158,411.33-457,471.57

Finding the Fourth Proportional to 839,452.99, 1,158,411.33 and 457,471.57

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Solution

The fourth proportional to 839,452.99, 1,158,411.33 and 457,471.57 is: 631,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,452.99 : 1,158,411.33 = 457,471.57 : x
  2. Step 2: Convert to fraction form
    839,452.99/1,158,411.33 = 457,471.57/x
  3. Step 3: Cross multiply
    839,452.99x = 1,158,411.33 × 457,471.57
  4. Step 4: Simplify right side
    839,452.99x = 529,940,249,840.89
  5. Step 5: Solve for x
    x = 529,940,249,840.89/839,452.99
  6. Step 6: Final answer
    x = 631,292.35

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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.