Home / 880,773.34-1,215,473.44-478,365.34

Finding the Fourth Proportional to 880,773.34, 1,215,473.44 and 478,365.34

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Solution

The fourth proportional to 880,773.34, 1,215,473.44 and 478,365.34 is: 660,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,773.34 : 1,215,473.44 = 478,365.34 : x
  2. Step 2: Convert to fraction form
    880,773.34/1,215,473.44 = 478,365.34/x
  3. Step 3: Cross multiply
    880,773.34x = 1,215,473.44 × 478,365.34
  4. Step 4: Simplify right side
    880,773.34x = 581,440,365,386.57
  5. Step 5: Solve for x
    x = 581,440,365,386.57/880,773.34
  6. Step 6: Final answer
    x = 660,147.55

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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.