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Finding the Fourth Proportional to 444,307.96, 612,708.10 and 407,427.04

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Solution

The fourth proportional to 444,307.96, 612,708.10 and 407,427.04 is: 561,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,307.96 : 612,708.10 = 407,427.04 : x
  2. Step 2: Convert to fraction form
    444,307.96/612,708.10 = 407,427.04/x
  3. Step 3: Cross multiply
    444,307.96x = 612,708.10 × 407,427.04
  4. Step 4: Simplify right side
    444,307.96x = 249,633,847,567.02
  5. Step 5: Solve for x
    x = 249,633,847,567.02/444,307.96
  6. Step 6: Final answer
    x = 561,848.70

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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.