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Finding the Fourth Proportional to 554,760.40, 832,140.60 and 554,760.40

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Solution

The fourth proportional to 554,760.40, 832,140.60 and 554,760.40 is: 832,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,760.40 : 832,140.60 = 554,760.40 : x
  2. Step 2: Convert to fraction form
    554,760.40/832,140.60 = 554,760.40/x
  3. Step 3: Cross multiply
    554,760.40x = 832,140.60 × 554,760.40
  4. Step 4: Simplify right side
    554,760.40x = 461,638,652,112.24
  5. Step 5: Solve for x
    x = 461,638,652,112.24/554,760.40
  6. Step 6: Final answer
    x = 832,140.60

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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.