Home / 877,666.18-1,211,183.82-490,488.07

Finding the Fourth Proportional to 877,666.18, 1,211,183.82 and 490,488.07

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Solution

The fourth proportional to 877,666.18, 1,211,183.82 and 490,488.07 is: 676,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,666.18 : 1,211,183.82 = 490,488.07 : x
  2. Step 2: Convert to fraction form
    877,666.18/1,211,183.82 = 490,488.07/x
  3. Step 3: Cross multiply
    877,666.18x = 1,211,183.82 × 490,488.07
  4. Step 4: Simplify right side
    877,666.18x = 594,071,207,292.65
  5. Step 5: Solve for x
    x = 594,071,207,292.65/877,666.18
  6. Step 6: Final answer
    x = 676,876.04

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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.