Home / 671,545.09-1,006,975.54-330,011.29

Finding the Fourth Proportional to 671,545.09, 1,006,975.54 and 330,011.29

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Solution

The fourth proportional to 671,545.09, 1,006,975.54 and 330,011.29 is: 494,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,545.09 : 1,006,975.54 = 330,011.29 : x
  2. Step 2: Convert to fraction form
    671,545.09/1,006,975.54 = 330,011.29/x
  3. Step 3: Cross multiply
    671,545.09x = 1,006,975.54 × 330,011.29
  4. Step 4: Simplify right side
    671,545.09x = 332,313,290,268.91
  5. Step 5: Solve for x
    x = 332,313,290,268.91/671,545.09
  6. Step 6: Final answer
    x = 494,848.82

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1.5x scale

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.