Home / 786,966.92-1,085,878.96-442,755

Finding the Fourth Proportional to 786,966.92, 1,085,878.96 and 442,755

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Solution

The fourth proportional to 786,966.92, 1,085,878.96 and 442,755 is: 610,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,966.92 : 1,085,878.96 = 442,755 : x
  2. Step 2: Convert to fraction form
    786,966.92/1,085,878.96 = 442,755/x
  3. Step 3: Cross multiply
    786,966.92x = 1,085,878.96 × 442,755
  4. Step 4: Simplify right side
    786,966.92x = 480,778,338,934.80
  5. Step 5: Solve for x
    x = 480,778,338,934.80/786,966.92
  6. Step 6: Final answer
    x = 610,925.73

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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.