Home / 841,144.20-1,160,623.71-478,546.89

Finding the Fourth Proportional to 841,144.20, 1,160,623.71 and 478,546.89

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Solution

The fourth proportional to 841,144.20, 1,160,623.71 and 478,546.89 is: 660,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,144.20 : 1,160,623.71 = 478,546.89 : x
  2. Step 2: Convert to fraction form
    841,144.20/1,160,623.71 = 478,546.89/x
  3. Step 3: Cross multiply
    841,144.20x = 1,160,623.71 × 478,546.89
  4. Step 4: Simplify right side
    841,144.20x = 555,412,866,880.76
  5. Step 5: Solve for x
    x = 555,412,866,880.76/841,144.20
  6. Step 6: Final answer
    x = 660,306.36

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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.