Home / 885,746.20-1,222,382.64-670,545.40

Finding the Fourth Proportional to 885,746.20, 1,222,382.64 and 670,545.40

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Solution

The fourth proportional to 885,746.20, 1,222,382.64 and 670,545.40 is: 925,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,746.20 : 1,222,382.64 = 670,545.40 : x
  2. Step 2: Convert to fraction form
    885,746.20/1,222,382.64 = 670,545.40/x
  3. Step 3: Cross multiply
    885,746.20x = 1,222,382.64 × 670,545.40
  4. Step 4: Simplify right side
    885,746.20x = 819,663,056,291.86
  5. Step 5: Solve for x
    x = 819,663,056,291.86/885,746.20
  6. Step 6: Final answer
    x = 925,392.69

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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.