Home / 472,428.52-708,938.03-191,945.77

Finding the Fourth Proportional to 472,428.52, 708,938.03 and 191,945.77

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Solution

The fourth proportional to 472,428.52, 708,938.03 and 191,945.77 is: 288,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,428.52 : 708,938.03 = 191,945.77 : x
  2. Step 2: Convert to fraction form
    472,428.52/708,938.03 = 191,945.77/x
  3. Step 3: Cross multiply
    472,428.52x = 708,938.03 × 191,945.77
  4. Step 4: Simplify right side
    472,428.52x = 136,077,656,050.63
  5. Step 5: Solve for x
    x = 136,077,656,050.63/472,428.52
  6. Step 6: Final answer
    x = 288,038.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.