Home / 855,633.51-1,180,788.17-468,442.40

Finding the Fourth Proportional to 855,633.51, 1,180,788.17 and 468,442.40

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Solution

The fourth proportional to 855,633.51, 1,180,788.17 and 468,442.40 is: 646,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,633.51 : 1,180,788.17 = 468,442.40 : x
  2. Step 2: Convert to fraction form
    855,633.51/1,180,788.17 = 468,442.40/x
  3. Step 3: Cross multiply
    855,633.51x = 1,180,788.17 × 468,442.40
  4. Step 4: Simplify right side
    855,633.51x = 553,131,236,000.26
  5. Step 5: Solve for x
    x = 553,131,236,000.26/855,633.51
  6. Step 6: Final answer
    x = 646,458.13

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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.