Home / 472,428.04-651,787.14-302,755.72

Finding the Fourth Proportional to 472,428.04, 651,787.14 and 302,755.72

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Solution

The fourth proportional to 472,428.04, 651,787.14 and 302,755.72 is: 417,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,428.04 : 651,787.14 = 302,755.72 : x
  2. Step 2: Convert to fraction form
    472,428.04/651,787.14 = 302,755.72/x
  3. Step 3: Cross multiply
    472,428.04x = 651,787.14 × 302,755.72
  4. Step 4: Simplify right side
    472,428.04x = 197,332,284,857.44
  5. Step 5: Solve for x
    x = 197,332,284,857.44/472,428.04
  6. Step 6: Final answer
    x = 417,698.08

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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.