Home / 855,715.14-1,180,841.96-468,456.30

Finding the Fourth Proportional to 855,715.14, 1,180,841.96 and 468,456.30

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Solution

The fourth proportional to 855,715.14, 1,180,841.96 and 468,456.30 is: 646,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,715.14 : 1,180,841.96 = 468,456.30 : x
  2. Step 2: Convert to fraction form
    855,715.14/1,180,841.96 = 468,456.30/x
  3. Step 3: Cross multiply
    855,715.14x = 1,180,841.96 × 468,456.30
  4. Step 4: Simplify right side
    855,715.14x = 553,172,853,124.07
  5. Step 5: Solve for x
    x = 553,172,853,124.07/855,715.14
  6. Step 6: Final answer
    x = 646,445.09

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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.