Home / 841,218.24-1,160,947.41-478,657.38

Finding the Fourth Proportional to 841,218.24, 1,160,947.41 and 478,657.38

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Solution

The fourth proportional to 841,218.24, 1,160,947.41 and 478,657.38 is: 660,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,218.24 : 1,160,947.41 = 478,657.38 : x
  2. Step 2: Convert to fraction form
    841,218.24/1,160,947.41 = 478,657.38/x
  3. Step 3: Cross multiply
    841,218.24x = 1,160,947.41 × 478,657.38
  4. Step 4: Simplify right side
    841,218.24x = 555,696,045,588.39
  5. Step 5: Solve for x
    x = 555,696,045,588.39/841,218.24
  6. Step 6: Final answer
    x = 660,584.87

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Double scale
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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.