Home / 682,636.10-942,060.45-372,555.66

Finding the Fourth Proportional to 682,636.10, 942,060.45 and 372,555.66

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Solution

The fourth proportional to 682,636.10, 942,060.45 and 372,555.66 is: 514,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,636.10 : 942,060.45 = 372,555.66 : x
  2. Step 2: Convert to fraction form
    682,636.10/942,060.45 = 372,555.66/x
  3. Step 3: Cross multiply
    682,636.10x = 942,060.45 × 372,555.66
  4. Step 4: Simplify right side
    682,636.10x = 350,969,955,543.83
  5. Step 5: Solve for x
    x = 350,969,955,543.83/682,636.10
  6. Step 6: Final answer
    x = 514,139.17

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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.