Home / 770,897.34-1,156,346.01-265,470.75

Finding the Fourth Proportional to 770,897.34, 1,156,346.01 and 265,470.75

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Solution

The fourth proportional to 770,897.34, 1,156,346.01 and 265,470.75 is: 398,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,897.34 : 1,156,346.01 = 265,470.75 : x
  2. Step 2: Convert to fraction form
    770,897.34/1,156,346.01 = 265,470.75/x
  3. Step 3: Cross multiply
    770,897.34x = 1,156,346.01 × 265,470.75
  4. Step 4: Simplify right side
    770,897.34x = 306,976,042,534.21
  5. Step 5: Solve for x
    x = 306,976,042,534.21/770,897.34
  6. Step 6: Final answer
    x = 398,206.13

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.