Home / 472,743.20-652,361.64-257,881.52

Finding the Fourth Proportional to 472,743.20, 652,361.64 and 257,881.52

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Solution

The fourth proportional to 472,743.20, 652,361.64 and 257,881.52 is: 355,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,743.20 : 652,361.64 = 257,881.52 : x
  2. Step 2: Convert to fraction form
    472,743.20/652,361.64 = 257,881.52/x
  3. Step 3: Cross multiply
    472,743.20x = 652,361.64 × 257,881.52
  4. Step 4: Simplify right side
    472,743.20x = 168,232,011,312.89
  5. Step 5: Solve for x
    x = 168,232,011,312.89/472,743.20
  6. Step 6: Final answer
    x = 355,863.42

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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.