Home / 780,527.78-1,077,460.41-474,702.34

Finding the Fourth Proportional to 780,527.78, 1,077,460.41 and 474,702.34

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Solution

The fourth proportional to 780,527.78, 1,077,460.41 and 474,702.34 is: 655,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,527.78 : 1,077,460.41 = 474,702.34 : x
  2. Step 2: Convert to fraction form
    780,527.78/1,077,460.41 = 474,702.34/x
  3. Step 3: Cross multiply
    780,527.78x = 1,077,460.41 × 474,702.34
  4. Step 4: Simplify right side
    780,527.78x = 511,472,977,884.36
  5. Step 5: Solve for x
    x = 511,472,977,884.36/780,527.78
  6. Step 6: Final answer
    x = 655,291.19

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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.