Home / 778,675.33-1,074,582.13-452,064.65

Finding the Fourth Proportional to 778,675.33, 1,074,582.13 and 452,064.65

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Solution

The fourth proportional to 778,675.33, 1,074,582.13 and 452,064.65 is: 623,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,675.33 : 1,074,582.13 = 452,064.65 : x
  2. Step 2: Convert to fraction form
    778,675.33/1,074,582.13 = 452,064.65/x
  3. Step 3: Cross multiply
    778,675.33x = 1,074,582.13 × 452,064.65
  4. Step 4: Simplify right side
    778,675.33x = 485,780,594,494.70
  5. Step 5: Solve for x
    x = 485,780,594,494.70/778,675.33
  6. Step 6: Final answer
    x = 623,855.12

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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.