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Finding the Fourth Proportional to 637,254.84, 879,308.72 and 365,272.68

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Solution

The fourth proportional to 637,254.84, 879,308.72 and 365,272.68 is: 504,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,254.84 : 879,308.72 = 365,272.68 : x
  2. Step 2: Convert to fraction form
    637,254.84/879,308.72 = 365,272.68/x
  3. Step 3: Cross multiply
    637,254.84x = 879,308.72 × 365,272.68
  4. Step 4: Simplify right side
    637,254.84x = 321,187,452,701.77
  5. Step 5: Solve for x
    x = 321,187,452,701.77/637,254.84
  6. Step 6: Final answer
    x = 504,017.28

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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.