Home / 855,487.23-1,180,448.80-473,513.10

Finding the Fourth Proportional to 855,487.23, 1,180,448.80 and 473,513.10

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Solution

The fourth proportional to 855,487.23, 1,180,448.80 and 473,513.10 is: 653,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,487.23 : 1,180,448.80 = 473,513.10 : x
  2. Step 2: Convert to fraction form
    855,487.23/1,180,448.80 = 473,513.10/x
  3. Step 3: Cross multiply
    855,487.23x = 1,180,448.80 × 473,513.10
  4. Step 4: Simplify right side
    855,487.23x = 558,957,970,679.28
  5. Step 5: Solve for x
    x = 558,957,970,679.28/855,487.23
  6. Step 6: Final answer
    x = 653,379.68

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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.