Home / 778,834.98-1,074,890.82-452,078.13

Finding the Fourth Proportional to 778,834.98, 1,074,890.82 and 452,078.13

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Solution

The fourth proportional to 778,834.98, 1,074,890.82 and 452,078.13 is: 623,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,834.98 : 1,074,890.82 = 452,078.13 : x
  2. Step 2: Convert to fraction form
    778,834.98/1,074,890.82 = 452,078.13/x
  3. Step 3: Cross multiply
    778,834.98x = 1,074,890.82 × 452,078.13
  4. Step 4: Simplify right side
    778,834.98x = 485,934,631,859.77
  5. Step 5: Solve for x
    x = 485,934,631,859.77/778,834.98
  6. Step 6: Final answer
    x = 623,925.02

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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.