Home / 855,085.06-1,180,001.82-473,111.88

Finding the Fourth Proportional to 855,085.06, 1,180,001.82 and 473,111.88

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Solution

The fourth proportional to 855,085.06, 1,180,001.82 and 473,111.88 is: 652,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,085.06 : 1,180,001.82 = 473,111.88 : x
  2. Step 2: Convert to fraction form
    855,085.06/1,180,001.82 = 473,111.88/x
  3. Step 3: Cross multiply
    855,085.06x = 1,180,001.82 × 473,111.88
  4. Step 4: Simplify right side
    855,085.06x = 558,272,879,463.62
  5. Step 5: Solve for x
    x = 558,272,879,463.62/855,085.06
  6. Step 6: Final answer
    x = 652,885.78

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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.