Home / 849,429.80-1,172,212.45-467,456.59

Finding the Fourth Proportional to 849,429.80, 1,172,212.45 and 467,456.59

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Solution

The fourth proportional to 849,429.80, 1,172,212.45 and 467,456.59 is: 645,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,429.80 : 1,172,212.45 = 467,456.59 : x
  2. Step 2: Convert to fraction form
    849,429.80/1,172,212.45 = 467,456.59/x
  3. Step 3: Cross multiply
    849,429.80x = 1,172,212.45 × 467,456.59
  4. Step 4: Simplify right side
    849,429.80x = 547,958,430,533.37
  5. Step 5: Solve for x
    x = 547,958,430,533.37/849,429.80
  6. Step 6: Final answer
    x = 645,089.72

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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.