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Finding the Fourth Proportional to 440,830.80, 618,562.80 and 440,830.80

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Solution

The fourth proportional to 440,830.80, 618,562.80 and 440,830.80 is: 618,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,830.80 : 618,562.80 = 440,830.80 : x
  2. Step 2: Convert to fraction form
    440,830.80/618,562.80 = 440,830.80/x
  3. Step 3: Cross multiply
    440,830.80x = 618,562.80 × 440,830.80
  4. Step 4: Simplify right side
    440,830.80x = 272,681,533,974.24
  5. Step 5: Solve for x
    x = 272,681,533,974.24/440,830.80
  6. Step 6: Final answer
    x = 618,562.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.