Home / 780,627.20-1,077,237.96-441,088.16

Finding the Fourth Proportional to 780,627.20, 1,077,237.96 and 441,088.16

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Solution

The fourth proportional to 780,627.20, 1,077,237.96 and 441,088.16 is: 608,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,627.20 : 1,077,237.96 = 441,088.16 : x
  2. Step 2: Convert to fraction form
    780,627.20/1,077,237.96 = 441,088.16/x
  3. Step 3: Cross multiply
    780,627.20x = 1,077,237.96 × 441,088.16
  4. Step 4: Simplify right side
    780,627.20x = 475,156,909,658.55
  5. Step 5: Solve for x
    x = 475,156,909,658.55/780,627.20
  6. Step 6: Final answer
    x = 608,686.08

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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.