Home / 849,429.08-1,172,212.36-467,455.86

Finding the Fourth Proportional to 849,429.08, 1,172,212.36 and 467,455.86

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Solution

The fourth proportional to 849,429.08, 1,172,212.36 and 467,455.86 is: 645,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,429.08 : 1,172,212.36 = 467,455.86 : x
  2. Step 2: Convert to fraction form
    849,429.08/1,172,212.36 = 467,455.86/x
  3. Step 3: Cross multiply
    849,429.08x = 1,172,212.36 × 467,455.86
  4. Step 4: Simplify right side
    849,429.08x = 547,957,535,677.79
  5. Step 5: Solve for x
    x = 547,957,535,677.79/849,429.08
  6. Step 6: Final answer
    x = 645,089.21

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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.